220131248

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{347}}^1\times {\mathrm{1279}}^1$

素因数の和:1665

約数の個数: 40

約数和(自身を含む): 441876480

約数和(自身を除く): 221745232

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 347, 496, 694, 1279, 1388, 2558, 2776, 5116, 5552, 10232, 10757, 20464, 21514, 39649, 43028, 79298, 86056, 158596, 172112, 317192, 443813, 634384, 887626, 1775252, 3550504, 7101008, 13758203, 27516406, 55032812, 110065624, 220131248]

約数ペア:

[(1, 220131248), (2, 110065624), (4, 55032812), (8, 27516406), (16, 13758203), (31, 7101008), (62, 3550504), (124, 1775252), (248, 887626), (347, 634384), (496, 443813), (694, 317192), (1279, 172112), (1388, 158596), (2558, 86056), (2776, 79298), (5116, 43028), (5552, 39649), (10232, 21514), (10757, 20464)]