394542020978

素因数分解:

$2^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{5641}}^1\times {\mathrm{23677}}^1$

素因数の和:29538

約数の個数: 32

約数和(自身を含む): 679712412288

約数和(自身を除く): 285170391310

約数列:

[1, 2, 7, 14, 211, 422, 1477, 2954, 5641, 11282, 23677, 39487, 47354, 78974, 165739, 331478, 1190251, 2380502, 4995847, 8331757, 9991694, 16663514, 34970929, 69941858, 133561957, 267123914, 934933699, 1869867398, 28181572927, 56363145854, 197271010489, 394542020978]

約数ペア:

[(1, 394542020978), (2, 197271010489), (7, 56363145854), (14, 28181572927), (211, 1869867398), (422, 934933699), (1477, 267123914), (2954, 133561957), (5641, 69941858), (11282, 34970929), (23677, 16663514), (39487, 9991694), (47354, 8331757), (78974, 4995847), (165739, 2380502), (331478, 1190251)]