12638576

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:429

約数の個数: 40

約数和(自身を含む): 25665024

約数和(自身を除く): 13026448

約数列:

[1, 2, 4, 8, 16, 31, 62, 83, 124, 166, 248, 307, 332, 496, 614, 664, 1228, 1328, 2456, 2573, 4912, 5146, 9517, 10292, 19034, 20584, 25481, 38068, 41168, 50962, 76136, 101924, 152272, 203848, 407696, 789911, 1579822, 3159644, 6319288, 12638576]

約数ペア:

[(1, 12638576), (2, 6319288), (4, 3159644), (8, 1579822), (16, 789911), (31, 407696), (62, 203848), (83, 152272), (124, 101924), (166, 76136), (248, 50962), (307, 41168), (332, 38068), (496, 25481), (614, 20584), (664, 19034), (1228, 10292), (1328, 9517), (2456, 5146), (2573, 4912)]