855848

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:90

約数の個数: 64

約数和(自身を含む): 2073600

約数和(自身を除く): 1217752

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 29, 31, 34, 56, 58, 62, 68, 116, 119, 124, 136, 203, 217, 232, 238, 248, 406, 434, 476, 493, 527, 812, 868, 899, 952, 986, 1054, 1624, 1736, 1798, 1972, 2108, 3451, 3596, 3689, 3944, 4216, 6293, 6902, 7192, 7378, 12586, 13804, 14756, 15283, 25172, 27608, 29512, 30566, 50344, 61132, 106981, 122264, 213962, 427924, 855848]

約数ペア:

[(1, 855848), (2, 427924), (4, 213962), (7, 122264), (8, 106981), (14, 61132), (17, 50344), (28, 30566), (29, 29512), (31, 27608), (34, 25172), (56, 15283), (58, 14756), (62, 13804), (68, 12586), (116, 7378), (119, 7192), (124, 6902), (136, 6293), (203, 4216), (217, 3944), (232, 3689), (238, 3596), (248, 3451), (406, 2108), (434, 1972), (476, 1798), (493, 1736), (527, 1624), (812, 1054), (868, 986), (899, 952)]