220163384

素因数分解:

$2^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{28697}}^1$

素因数の和:28847

約数の個数: 32

約数和(自身を含む): 475238880

約数和(自身を除く): 255075496

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 137, 274, 548, 959, 1096, 1918, 3836, 7672, 28697, 57394, 114788, 200879, 229576, 401758, 803516, 1607032, 3931489, 7862978, 15725956, 27520423, 31451912, 55040846, 110081692, 220163384]

約数ペア:

[(1, 220163384), (2, 110081692), (4, 55040846), (7, 31451912), (8, 27520423), (14, 15725956), (28, 7862978), (56, 3931489), (137, 1607032), (274, 803516), (548, 401758), (959, 229576), (1096, 200879), (1918, 114788), (3836, 57394), (7672, 28697)]