156988561457

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{5029589}}^1$

素因数の和:5029630

約数の個数: 20

約数和(自身を含む): 197230342260

約数和(自身を除く): 40241780803

約数列:

[1, 7, 13, 49, 91, 343, 637, 2401, 4459, 31213, 5029589, 35207123, 65384657, 246449861, 457692599, 1725149027, 3203848193, 12076043189, 22426937351, 156988561457]

約数ペア:

[(1, 156988561457), (7, 22426937351), (13, 12076043189), (49, 3203848193), (91, 1725149027), (343, 457692599), (637, 246449861), (2401, 65384657), (4459, 35207123), (31213, 5029589)]