1331649696

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^2\times {\mathrm{211}}^1\times {\mathrm{389}}^1$

素因数の和:639

約数の個数: 144

約数和(自身を含む): 3812870880

約数和(自身を除く): 2481221184

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 169, 208, 211, 312, 338, 389, 416, 422, 507, 624, 633, 676, 778, 844, 1014, 1167, 1248, 1266, 1352, 1556, 1688, 2028, 2334, 2532, 2704, 2743, 3112, 3376, 4056, 4668, 5057, 5064, 5408, 5486, 6224, 6752, 8112, 8229, 9336, 10114, 10128, 10972, 12448, 15171, 16224, 16458, 18672, 20228, 20256, 21944, 30342, 32916, 35659, 37344, 40456, 43888, 60684, 65741, 65832, 71318, 80912, 82079, 87776, 106977, 121368, 131482, 131664, 142636, 161824, 164158, 197223, 213954, 242736, 246237, 262964, 263328, 285272, 328316, 394446, 427908, 485472, 492474, 525928, 570544, 656632, 788892, 855816, 984948, 1051856, 1067027, 1141088, 1313264, 1577784, 1711632, 1969896, 2103712, 2134054, 2626528, 3155568, 3201081, 3423264, 3939792, 4268108, 6311136, 6402162, 7879584, 8536216, 12804324, 13871351, 17072432, 25608648, 27742702, 34144864, 41614053, 51217296, 55485404, 83228106, 102434592, 110970808, 166456212, 221941616, 332912424, 443883232, 665824848, 1331649696]

約数ペア:

[(1, 1331649696), (2, 665824848), (3, 443883232), (4, 332912424), (6, 221941616), (8, 166456212), (12, 110970808), (13, 102434592), (16, 83228106), (24, 55485404), (26, 51217296), (32, 41614053), (39, 34144864), (48, 27742702), (52, 25608648), (78, 17072432), (96, 13871351), (104, 12804324), (156, 8536216), (169, 7879584), (208, 6402162), (211, 6311136), (312, 4268108), (338, 3939792), (389, 3423264), (416, 3201081), (422, 3155568), (507, 2626528), (624, 2134054), (633, 2103712), (676, 1969896), (778, 1711632), (844, 1577784), (1014, 1313264), (1167, 1141088), (1248, 1067027), (1266, 1051856), (1352, 984948), (1556, 855816), (1688, 788892), (2028, 656632), (2334, 570544), (2532, 525928), (2704, 492474), (2743, 485472), (3112, 427908), (3376, 394446), (4056, 328316), (4668, 285272), (5057, 263328), (5064, 262964), (5408, 246237), (5486, 242736), (6224, 213954), (6752, 197223), (8112, 164158), (8229, 161824), (9336, 142636), (10114, 131664), (10128, 131482), (10972, 121368), (12448, 106977), (15171, 87776), (16224, 82079), (16458, 80912), (18672, 71318), (20228, 65832), (20256, 65741), (21944, 60684), (30342, 43888), (32916, 40456), (35659, 37344)]