198115964

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{60623}}^1$

素因数の和:60689

約数の個数: 24

約数和(自身を含む): 373443840

約数和(自身を除く): 175327876

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 60623, 121246, 242492, 1151837, 2303674, 2606789, 4607348, 5213578, 10427156, 49528991, 99057982, 198115964]

約数ペア:

[(1, 198115964), (2, 99057982), (4, 49528991), (19, 10427156), (38, 5213578), (43, 4607348), (76, 2606789), (86, 2303674), (172, 1151837), (817, 242492), (1634, 121246), (3268, 60623)]