12640976

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:339

約数の個数: 40

約数和(自身を含む): 25501344

約数和(自身を除く): 12860368

約数列:

[1, 2, 4, 8, 16, 37, 74, 131, 148, 163, 262, 296, 326, 524, 592, 652, 1048, 1304, 2096, 2608, 4847, 6031, 9694, 12062, 19388, 21353, 24124, 38776, 42706, 48248, 77552, 85412, 96496, 170824, 341648, 790061, 1580122, 3160244, 6320488, 12640976]

約数ペア:

[(1, 12640976), (2, 6320488), (4, 3160244), (8, 1580122), (16, 790061), (37, 341648), (74, 170824), (131, 96496), (148, 85412), (163, 77552), (262, 48248), (296, 42706), (326, 38776), (524, 24124), (592, 21353), (652, 19388), (1048, 12062), (1304, 9694), (2096, 6031), (2608, 4847)]