128394890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{34057}}^1$

素因数の和:34106

約数の個数: 32

約数和(自身を含む): 257478480

約数和(自身を除く): 129083590

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 34057, 68114, 170285, 340570, 442741, 885482, 987653, 1975306, 2213705, 4427410, 4938265, 9876530, 12839489, 25678978, 64197445, 128394890]

約数ペア:

[(1, 128394890), (2, 64197445), (5, 25678978), (10, 12839489), (13, 9876530), (26, 4938265), (29, 4427410), (58, 2213705), (65, 1975306), (130, 987653), (145, 885482), (290, 442741), (377, 340570), (754, 170285), (1885, 68114), (3770, 34057)]