621218156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{14767}}^1$

素因数の和:15593

約数の個数: 24

約数和(自身を含む): 1172283840

約数和(自身を除く): 551065684

約数列:

[1, 2, 4, 13, 26, 52, 809, 1618, 3236, 10517, 14767, 21034, 29534, 42068, 59068, 191971, 383942, 767884, 11946503, 23893006, 47786012, 155304539, 310609078, 621218156]

約数ペア:

[(1, 621218156), (2, 310609078), (4, 155304539), (13, 47786012), (26, 23893006), (52, 11946503), (809, 767884), (1618, 383942), (3236, 191971), (10517, 59068), (14767, 42068), (21034, 29534)]