641105296

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5233}}^1$

素因数の和:5304

約数の個数: 80

約数和(自身を含む): 1453795840

約数和(自身を除く): 812690544

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 208, 247, 248, 304, 403, 494, 496, 589, 806, 988, 1178, 1612, 1976, 2356, 3224, 3952, 4712, 5233, 6448, 7657, 9424, 10466, 15314, 20932, 30628, 41864, 61256, 68029, 83728, 99427, 122512, 136058, 162223, 198854, 272116, 324446, 397708, 544232, 648892, 795416, 1088464, 1292551, 1297784, 1590832, 2108899, 2585102, 2595568, 3082237, 4217798, 5170204, 6164474, 8435596, 10340408, 12328948, 16871192, 20680816, 24657896, 33742384, 40069081, 49315792, 80138162, 160276324, 320552648, 641105296]

約数ペア:

[(1, 641105296), (2, 320552648), (4, 160276324), (8, 80138162), (13, 49315792), (16, 40069081), (19, 33742384), (26, 24657896), (31, 20680816), (38, 16871192), (52, 12328948), (62, 10340408), (76, 8435596), (104, 6164474), (124, 5170204), (152, 4217798), (208, 3082237), (247, 2595568), (248, 2585102), (304, 2108899), (403, 1590832), (494, 1297784), (496, 1292551), (589, 1088464), (806, 795416), (988, 648892), (1178, 544232), (1612, 397708), (1976, 324446), (2356, 272116), (3224, 198854), (3952, 162223), (4712, 136058), (5233, 122512), (6448, 99427), (7657, 83728), (9424, 68029), (10466, 61256), (15314, 41864), (20932, 30628)]