68613688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1621}}^1$

素因数の和:1688

約数の個数: 64

約数和(自身を含む): 155322720

約数和(自身を除く): 86709032

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 37, 44, 52, 74, 88, 104, 143, 148, 286, 296, 407, 481, 572, 814, 962, 1144, 1621, 1628, 1924, 3242, 3256, 3848, 5291, 6484, 10582, 12968, 17831, 21073, 21164, 35662, 42146, 42328, 59977, 71324, 84292, 119954, 142648, 168584, 231803, 239908, 463606, 479816, 659747, 779701, 927212, 1319494, 1559402, 1854424, 2638988, 3118804, 5277976, 6237608, 8576711, 17153422, 34306844, 68613688]

約数ペア:

[(1, 68613688), (2, 34306844), (4, 17153422), (8, 8576711), (11, 6237608), (13, 5277976), (22, 3118804), (26, 2638988), (37, 1854424), (44, 1559402), (52, 1319494), (74, 927212), (88, 779701), (104, 659747), (143, 479816), (148, 463606), (286, 239908), (296, 231803), (407, 168584), (481, 142648), (572, 119954), (814, 84292), (962, 71324), (1144, 59977), (1621, 42328), (1628, 42146), (1924, 35662), (3242, 21164), (3256, 21073), (3848, 17831), (5291, 12968), (6484, 10582)]