856551868

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1\times {\mathrm{877}}^1$

素因数の和:1222

約数の個数: 48

約数和(自身を含む): 1624904064

約数和(自身を除く): 768352196

約数列:

[1, 2, 4, 17, 34, 53, 68, 106, 212, 271, 542, 877, 901, 1084, 1754, 1802, 3508, 3604, 4607, 9214, 14363, 14909, 18428, 28726, 29818, 46481, 57452, 59636, 92962, 185924, 237667, 244171, 475334, 488342, 790177, 950668, 976684, 1580354, 3160708, 4040339, 8080678, 12596351, 16161356, 25192702, 50385404, 214137967, 428275934, 856551868]

約数ペア:

[(1, 856551868), (2, 428275934), (4, 214137967), (17, 50385404), (34, 25192702), (53, 16161356), (68, 12596351), (106, 8080678), (212, 4040339), (271, 3160708), (542, 1580354), (877, 976684), (901, 950668), (1084, 790177), (1754, 488342), (1802, 475334), (3508, 244171), (3604, 237667), (4607, 185924), (9214, 92962), (14363, 59636), (14909, 57452), (18428, 46481), (28726, 29818)]