390451696

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{18307}}^1$

素因数の和:18389

約数の個数: 40

約数和(自身を含む): 799107584

約数和(自身を除く): 408655888

約数列:

[1, 2, 4, 8, 16, 31, 43, 62, 86, 124, 172, 248, 344, 496, 688, 1333, 2666, 5332, 10664, 18307, 21328, 36614, 73228, 146456, 292912, 567517, 787201, 1135034, 1574402, 2270068, 3148804, 4540136, 6297608, 9080272, 12595216, 24403231, 48806462, 97612924, 195225848, 390451696]

約数ペア:

[(1, 390451696), (2, 195225848), (4, 97612924), (8, 48806462), (16, 24403231), (31, 12595216), (43, 9080272), (62, 6297608), (86, 4540136), (124, 3148804), (172, 2270068), (248, 1574402), (344, 1135034), (496, 787201), (688, 567517), (1333, 292912), (2666, 146456), (5332, 73228), (10664, 36614), (18307, 21328)]