9988262

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:252

約数の個数: 32

約数和(自身を含む): 16665600

約数和(自身を除く): 6677338

約数列:

[1, 2, 19, 31, 38, 61, 62, 122, 139, 278, 589, 1159, 1178, 1891, 2318, 2641, 3782, 4309, 5282, 8479, 8618, 16958, 35929, 71858, 81871, 161101, 163742, 262849, 322202, 525698, 4994131, 9988262]

約数ペア:

[(1, 9988262), (2, 4994131), (19, 525698), (31, 322202), (38, 262849), (61, 163742), (62, 161101), (122, 81871), (139, 71858), (278, 35929), (589, 16958), (1159, 8618), (1178, 8479), (1891, 5282), (2318, 4309), (2641, 3782)]