27640778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{40529}}^1$

素因数の和:40573

約数の個数: 16

約数和(自身を含む): 46690560

約数和(自身を除く): 19049782

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 40529, 81058, 445819, 891638, 1256399, 2512798, 13820389, 27640778]

約数ペア:

[(1, 27640778), (2, 13820389), (11, 2512798), (22, 1256399), (31, 891638), (62, 445819), (341, 81058), (682, 40529)]