397310836

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1\times {\mathrm{347}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 762019776

約数和(自身を除く): 364708940

約数列:

[1, 2, 4, 13, 26, 52, 97, 194, 227, 347, 388, 454, 694, 908, 1261, 1388, 2522, 2951, 4511, 5044, 5902, 9022, 11804, 18044, 22019, 33659, 44038, 67318, 78769, 88076, 134636, 157538, 286247, 315076, 437567, 572494, 875134, 1023997, 1144988, 1750268, 2047994, 4095988, 7640593, 15281186, 30562372, 99327709, 198655418, 397310836]

約数ペア:

[(1, 397310836), (2, 198655418), (4, 99327709), (13, 30562372), (26, 15281186), (52, 7640593), (97, 4095988), (194, 2047994), (227, 1750268), (347, 1144988), (388, 1023997), (454, 875134), (694, 572494), (908, 437567), (1261, 315076), (1388, 286247), (2522, 157538), (2951, 134636), (4511, 88076), (5044, 78769), (5902, 67318), (9022, 44038), (11804, 33659), (18044, 22019)]