181493981968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{5557753}}^1$

素因数の和:5557931

約数の個数: 40

約数和(自身を含む): 381106307288

約数和(自身を除く): 199612325320

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 157, 208, 314, 628, 1256, 2041, 2512, 4082, 8164, 16328, 32656, 5557753, 11115506, 22231012, 44462024, 72250789, 88924048, 144501578, 289003156, 578006312, 872567221, 1156012624, 1745134442, 3490268884, 6980537768, 11343373873, 13961075536, 22686747746, 45373495492, 90746990984, 181493981968]

約数ペア:

[(1, 181493981968), (2, 90746990984), (4, 45373495492), (8, 22686747746), (13, 13961075536), (16, 11343373873), (26, 6980537768), (52, 3490268884), (104, 1745134442), (157, 1156012624), (208, 872567221), (314, 578006312), (628, 289003156), (1256, 144501578), (2041, 88924048), (2512, 72250789), (4082, 44462024), (8164, 22231012), (16328, 11115506), (32656, 5557753)]