991897088

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:448

約数の個数: 160

約数和(自身を含む): 2486299200

約数和(自身を除く): 1494402112

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 61, 64, 91, 104, 112, 122, 128, 182, 208, 224, 244, 256, 349, 364, 416, 427, 448, 488, 512, 698, 728, 793, 832, 854, 896, 976, 1396, 1456, 1586, 1664, 1708, 1792, 1952, 2443, 2792, 2912, 3172, 3328, 3416, 3584, 3904, 4537, 4886, 5551, 5584, 5824, 6344, 6656, 6832, 7808, 9074, 9772, 11102, 11168, 11648, 12688, 13664, 15616, 18148, 19544, 21289, 22204, 22336, 23296, 25376, 27328, 31232, 31759, 36296, 39088, 42578, 44408, 44672, 46592, 50752, 54656, 63518, 72592, 78176, 85156, 88816, 89344, 101504, 109312, 127036, 145184, 149023, 156352, 170312, 177632, 178688, 203008, 218624, 254072, 276757, 290368, 298046, 312704, 340624, 355264, 406016, 508144, 553514, 580736, 596092, 625408, 681248, 710528, 1016288, 1107028, 1161472, 1192184, 1250816, 1362496, 1421056, 1937299, 2032576, 2214056, 2322944, 2384368, 2724992, 2842112, 3874598, 4065152, 4428112, 4768736, 5449984, 7749196, 8130304, 8856224, 9537472, 10899968, 15498392, 16260608, 17712448, 19074944, 30996784, 35424896, 38149888, 61993568, 70849792, 76299776, 123987136, 141699584, 247974272, 495948544, 991897088]

約数ペア:

[(1, 991897088), (2, 495948544), (4, 247974272), (7, 141699584), (8, 123987136), (13, 76299776), (14, 70849792), (16, 61993568), (26, 38149888), (28, 35424896), (32, 30996784), (52, 19074944), (56, 17712448), (61, 16260608), (64, 15498392), (91, 10899968), (104, 9537472), (112, 8856224), (122, 8130304), (128, 7749196), (182, 5449984), (208, 4768736), (224, 4428112), (244, 4065152), (256, 3874598), (349, 2842112), (364, 2724992), (416, 2384368), (427, 2322944), (448, 2214056), (488, 2032576), (512, 1937299), (698, 1421056), (728, 1362496), (793, 1250816), (832, 1192184), (854, 1161472), (896, 1107028), (976, 1016288), (1396, 710528), (1456, 681248), (1586, 625408), (1664, 596092), (1708, 580736), (1792, 553514), (1952, 508144), (2443, 406016), (2792, 355264), (2912, 340624), (3172, 312704), (3328, 298046), (3416, 290368), (3584, 276757), (3904, 254072), (4537, 218624), (4886, 203008), (5551, 178688), (5584, 177632), (5824, 170312), (6344, 156352), (6656, 149023), (6832, 145184), (7808, 127036), (9074, 109312), (9772, 101504), (11102, 89344), (11168, 88816), (11648, 85156), (12688, 78176), (13664, 72592), (15616, 63518), (18148, 54656), (19544, 50752), (21289, 46592), (22204, 44672), (22336, 44408), (23296, 42578), (25376, 39088), (27328, 36296), (31232, 31759)]