12421328

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:435

約数の個数: 40

約数和(自身を含む): 25236480

約数和(自身を除く): 12815152

約数列:

[1, 2, 4, 8, 16, 31, 62, 79, 124, 158, 248, 316, 317, 496, 632, 634, 1264, 1268, 2449, 2536, 4898, 5072, 9796, 9827, 19592, 19654, 25043, 39184, 39308, 50086, 78616, 100172, 157232, 200344, 400688, 776333, 1552666, 3105332, 6210664, 12421328]

約数ペア:

[(1, 12421328), (2, 6210664), (4, 3105332), (8, 1552666), (16, 776333), (31, 400688), (62, 200344), (79, 157232), (124, 100172), (158, 78616), (248, 50086), (316, 39308), (317, 39184), (496, 25043), (632, 19654), (634, 19592), (1264, 9827), (1268, 9796), (2449, 5072), (2536, 4898)]