221999830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{41651}}^1$

素因数の和:41712

約数の個数: 32

約数和(自身を含む): 440844768

約数和(自身を除く): 218844938

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 410, 533, 1066, 2665, 5330, 41651, 83302, 208255, 416510, 541463, 1082926, 1707691, 2707315, 3415382, 5414630, 8538455, 17076910, 22199983, 44399966, 110999915, 221999830]

約数ペア:

[(1, 221999830), (2, 110999915), (5, 44399966), (10, 22199983), (13, 17076910), (26, 8538455), (41, 5414630), (65, 3415382), (82, 2707315), (130, 1707691), (205, 1082926), (410, 541463), (533, 416510), (1066, 208255), (2665, 83302), (5330, 41651)]