128761502

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{21157}}^1$

素因数の和:21355

約数の個数: 16

約数和(自身を含む): 205655760

約数和(自身を除く): 76894258

約数列:

[1, 2, 17, 34, 179, 358, 3043, 6086, 21157, 42314, 359669, 719338, 3787103, 7574206, 64380751, 128761502]

約数ペア:

[(1, 128761502), (2, 64380751), (17, 7574206), (34, 3787103), (179, 719338), (358, 359669), (3043, 42314), (6086, 21157)]