39909958

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:604

約数の個数: 32

約数和(自身を含む): 68060160

約数和(自身を除く): 28150202

約数列:

[1, 2, 11, 22, 31, 62, 139, 278, 341, 421, 682, 842, 1529, 3058, 4309, 4631, 8618, 9262, 13051, 26102, 47399, 58519, 94798, 117038, 143561, 287122, 643709, 1287418, 1814089, 3628178, 19954979, 39909958]

約数ペア:

[(1, 39909958), (2, 19954979), (11, 3628178), (22, 1814089), (31, 1287418), (62, 643709), (139, 287122), (278, 143561), (341, 117038), (421, 94798), (682, 58519), (842, 47399), (1529, 26102), (3058, 13051), (4309, 9262), (4631, 8618)]