31288712

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{42979}}^1$

素因数の和:43005

約数の個数: 32

約数和(自身を含む): 72206400

約数和(自身を除く): 40917688

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 42979, 85958, 171916, 300853, 343832, 558727, 601706, 1117454, 1203412, 2234908, 2406824, 3911089, 4469816, 7822178, 15644356, 31288712]

約数ペア:

[(1, 31288712), (2, 15644356), (4, 7822178), (7, 4469816), (8, 3911089), (13, 2406824), (14, 2234908), (26, 1203412), (28, 1117454), (52, 601706), (56, 558727), (91, 343832), (104, 300853), (182, 171916), (364, 85958), (728, 42979)]