647617828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1132199}}^1$

素因数の和:1132227

約数の個数: 24

約数和(自身を含む): 1331467200

約数和(自身を除く): 683849372

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 1132199, 2264398, 4528796, 12454189, 14718587, 24908378, 29437174, 49816756, 58874348, 161904457, 323808914, 647617828]

約数ペア:

[(1, 647617828), (2, 323808914), (4, 161904457), (11, 58874348), (13, 49816756), (22, 29437174), (26, 24908378), (44, 14718587), (52, 12454189), (143, 4528796), (286, 2264398), (572, 1132199)]