31519994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{409}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 53844480

約数和(自身を除く): 22324486

約数列:

[1, 2, 11, 22, 31, 62, 113, 226, 341, 409, 682, 818, 1243, 2486, 3503, 4499, 7006, 8998, 12679, 25358, 38533, 46217, 77066, 92434, 139469, 278938, 508387, 1016774, 1432727, 2865454, 15759997, 31519994]

約数ペア:

[(1, 31519994), (2, 15759997), (11, 2865454), (22, 1432727), (31, 1016774), (62, 508387), (113, 278938), (226, 139469), (341, 92434), (409, 77066), (682, 46217), (818, 38533), (1243, 25358), (2486, 12679), (3503, 8998), (4499, 7006)]