397799839918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{1483}}^1\times {\mathrm{20269}}^1$

素因数の和:22276

約数の個数: 32

約数和(自身を含む): 644328165600

約数和(自身を除く): 246528325682

約数列:

[1, 2, 13, 26, 509, 1018, 1483, 2966, 6617, 13234, 19279, 20269, 38558, 40538, 263497, 526994, 754847, 1509694, 9813011, 10316921, 19626022, 20633842, 30058927, 60117854, 134119973, 268239946, 390766051, 781532102, 15299993843, 30599987686, 198899919959, 397799839918]

約数ペア:

[(1, 397799839918), (2, 198899919959), (13, 30599987686), (26, 15299993843), (509, 781532102), (1018, 390766051), (1483, 268239946), (2966, 134119973), (6617, 60117854), (13234, 30058927), (19279, 20633842), (20269, 19626022), (38558, 10316921), (40538, 9813011), (263497, 1509694), (526994, 754847)]