81860464

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{15551}}^1$

素因数の和:15613

約数の個数: 40

約数和(自身を含む): 185131008

約数和(自身を除く): 103270544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 94, 112, 188, 329, 376, 658, 752, 1316, 2632, 5264, 15551, 31102, 62204, 108857, 124408, 217714, 248816, 435428, 730897, 870856, 1461794, 1741712, 2923588, 5116279, 5847176, 10232558, 11694352, 20465116, 40930232, 81860464]

約数ペア:

[(1, 81860464), (2, 40930232), (4, 20465116), (7, 11694352), (8, 10232558), (14, 5847176), (16, 5116279), (28, 2923588), (47, 1741712), (56, 1461794), (94, 870856), (112, 730897), (188, 435428), (329, 248816), (376, 217714), (658, 124408), (752, 108857), (1316, 62204), (2632, 31102), (5264, 15551)]