215514418

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{13421}}^1$

素因数の和:13498

約数の個数: 32

約数和(自身を含む): 391707648

約数和(自身を除く): 176193230

約数列:

[1, 2, 7, 14, 31, 37, 62, 74, 217, 259, 434, 518, 1147, 2294, 8029, 13421, 16058, 26842, 93947, 187894, 416051, 496577, 832102, 993154, 2912357, 3476039, 5824714, 6952078, 15393887, 30787774, 107757209, 215514418]

約数ペア:

[(1, 215514418), (2, 107757209), (7, 30787774), (14, 15393887), (31, 6952078), (37, 5824714), (62, 3476039), (74, 2912357), (217, 993154), (259, 832102), (434, 496577), (518, 416051), (1147, 187894), (2294, 93947), (8029, 26842), (13421, 16058)]