821876404

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{919}}^1$

素因数の和:1108

約数の個数: 48

約数和(自身を含む): 1513451520

約数和(自身を除く): 691575116

約数列:

[1, 2, 4, 47, 67, 71, 94, 134, 142, 188, 268, 284, 919, 1838, 3149, 3337, 3676, 4757, 6298, 6674, 9514, 12596, 13348, 19028, 43193, 61573, 65249, 86386, 123146, 130498, 172772, 223579, 246292, 260996, 447158, 894316, 2893931, 3066703, 4371683, 5787862, 6133406, 8743366, 11575724, 12266812, 17486732, 205469101, 410938202, 821876404]

約数ペア:

[(1, 821876404), (2, 410938202), (4, 205469101), (47, 17486732), (67, 12266812), (71, 11575724), (94, 8743366), (134, 6133406), (142, 5787862), (188, 4371683), (268, 3066703), (284, 2893931), (919, 894316), (1838, 447158), (3149, 260996), (3337, 246292), (3676, 223579), (4757, 172772), (6298, 130498), (6674, 123146), (9514, 86386), (12596, 65249), (13348, 61573), (19028, 43193)]