2153854978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{8147}}^1$

素因数の和:8418

約数の個数: 32

約数和(自身を含む): 3600894528

約数和(自身を除く): 1447039550

約数列:

[1, 2, 11, 22, 61, 122, 197, 394, 671, 1342, 2167, 4334, 8147, 12017, 16294, 24034, 89617, 132187, 179234, 264374, 496967, 993934, 1604959, 3209918, 5466637, 10933274, 17654549, 35309098, 97902499, 195804998, 1076927489, 2153854978]

約数ペア:

[(1, 2153854978), (2, 1076927489), (11, 195804998), (22, 97902499), (61, 35309098), (122, 17654549), (197, 10933274), (394, 5466637), (671, 3209918), (1342, 1604959), (2167, 993934), (4334, 496967), (8147, 264374), (12017, 179234), (16294, 132187), (24034, 89617)]