68901625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 93693600

約数和(自身を除く): 24791975

約数列:

[1, 5, 13, 25, 65, 109, 125, 325, 389, 545, 1417, 1625, 1945, 2725, 5057, 7085, 9725, 13625, 25285, 35425, 42401, 48625, 126425, 177125, 212005, 551213, 632125, 1060025, 2756065, 5300125, 13780325, 68901625]

約数ペア:

[(1, 68901625), (5, 13780325), (13, 5300125), (25, 2756065), (65, 1060025), (109, 632125), (125, 551213), (325, 212005), (389, 177125), (545, 126425), (1417, 48625), (1625, 42401), (1945, 35425), (2725, 25285), (5057, 13625), (7085, 9725)]