13317328

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{617}}^1$

素因数の和:715

約数の個数: 40

約数和(自身を含む): 27587520

約数和(自身を除く): 14270192

約数列:

[1, 2, 4, 8, 16, 19, 38, 71, 76, 142, 152, 284, 304, 568, 617, 1136, 1234, 1349, 2468, 2698, 4936, 5396, 9872, 10792, 11723, 21584, 23446, 43807, 46892, 87614, 93784, 175228, 187568, 350456, 700912, 832333, 1664666, 3329332, 6658664, 13317328]

約数ペア:

[(1, 13317328), (2, 6658664), (4, 3329332), (8, 1664666), (16, 832333), (19, 700912), (38, 350456), (71, 187568), (76, 175228), (142, 93784), (152, 87614), (284, 46892), (304, 43807), (568, 23446), (617, 21584), (1136, 11723), (1234, 10792), (1349, 9872), (2468, 5396), (2698, 4936)]