490097296

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{211}}^1\times {\mathrm{859}}^1$

素因数の和:1104

約数の個数: 60

約数和(自身を含む): 1034301360

約数和(自身を除く): 544204064

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 211, 338, 422, 676, 844, 859, 1352, 1688, 1718, 2704, 2743, 3376, 3436, 5486, 6872, 10972, 11167, 13744, 21944, 22334, 35659, 43888, 44668, 71318, 89336, 142636, 145171, 178672, 181249, 285272, 290342, 362498, 570544, 580684, 724996, 1161368, 1449992, 2322736, 2356237, 2899984, 4712474, 9424948, 18849896, 30631081, 37699792, 61262162, 122524324, 245048648, 490097296]

約数ペア:

[(1, 490097296), (2, 245048648), (4, 122524324), (8, 61262162), (13, 37699792), (16, 30631081), (26, 18849896), (52, 9424948), (104, 4712474), (169, 2899984), (208, 2356237), (211, 2322736), (338, 1449992), (422, 1161368), (676, 724996), (844, 580684), (859, 570544), (1352, 362498), (1688, 290342), (1718, 285272), (2704, 181249), (2743, 178672), (3376, 145171), (3436, 142636), (5486, 89336), (6872, 71318), (10972, 44668), (11167, 43888), (13744, 35659), (21944, 22334)]