561820688

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^2$

素因数の和:241

約数の個数: 120

約数和(自身を含む): 1335081216

約数和(自身を除く): 773260528

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 31, 44, 52, 62, 88, 89, 104, 124, 143, 176, 178, 208, 248, 286, 341, 356, 403, 496, 572, 682, 712, 806, 979, 1144, 1157, 1364, 1424, 1612, 1958, 2288, 2314, 2728, 2759, 3224, 3916, 4433, 4628, 5456, 5518, 6448, 7832, 7921, 8866, 9256, 11036, 12727, 15664, 15842, 17732, 18512, 22072, 25454, 30349, 31684, 35464, 35867, 44144, 50908, 60698, 63368, 70928, 71734, 87131, 101816, 102973, 121396, 126736, 143468, 174262, 203632, 205946, 242792, 245551, 286936, 348524, 394537, 411892, 485584, 491102, 573872, 697048, 789074, 823784, 982204, 1132703, 1394096, 1578148, 1647568, 1964408, 2265406, 2701061, 3156296, 3192163, 3928816, 4530812, 5402122, 6312592, 6384326, 9061624, 10804244, 12768652, 18123248, 21608488, 25537304, 35113793, 43216976, 51074608, 70227586, 140455172, 280910344, 561820688]

約数ペア:

[(1, 561820688), (2, 280910344), (4, 140455172), (8, 70227586), (11, 51074608), (13, 43216976), (16, 35113793), (22, 25537304), (26, 21608488), (31, 18123248), (44, 12768652), (52, 10804244), (62, 9061624), (88, 6384326), (89, 6312592), (104, 5402122), (124, 4530812), (143, 3928816), (176, 3192163), (178, 3156296), (208, 2701061), (248, 2265406), (286, 1964408), (341, 1647568), (356, 1578148), (403, 1394096), (496, 1132703), (572, 982204), (682, 823784), (712, 789074), (806, 697048), (979, 573872), (1144, 491102), (1157, 485584), (1364, 411892), (1424, 394537), (1612, 348524), (1958, 286936), (2288, 245551), (2314, 242792), (2728, 205946), (2759, 203632), (3224, 174262), (3916, 143468), (4433, 126736), (4628, 121396), (5456, 102973), (5518, 101816), (6448, 87131), (7832, 71734), (7921, 70928), (8866, 63368), (9256, 60698), (11036, 50908), (12727, 44144), (15664, 35867), (15842, 35464), (17732, 31684), (18512, 30349), (22072, 25454)]