1220448190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{552239}}^1$

素因数の和:552276

約数の個数: 32

約数和(自身を含む): 2504960640

約数和(自身を除く): 1284512450

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 552239, 1104478, 2761195, 5522390, 7179107, 9388063, 14358214, 18776126, 35895535, 46940315, 71791070, 93880630, 122044819, 244089638, 610224095, 1220448190]

約数ペア:

[(1, 1220448190), (2, 610224095), (5, 244089638), (10, 122044819), (13, 93880630), (17, 71791070), (26, 46940315), (34, 35895535), (65, 18776126), (85, 14358214), (130, 9388063), (170, 7179107), (221, 5522390), (442, 2761195), (1105, 1104478), (2210, 552239)]