251192968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{11447}}^1$

素因数の和:11677

約数の個数: 32

約数和(自身を含む): 509664960

約数和(自身を除く): 258471992

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 211, 422, 844, 1688, 2743, 5486, 10972, 11447, 21944, 22894, 45788, 91576, 148811, 297622, 595244, 1190488, 2415317, 4830634, 9661268, 19322536, 31399121, 62798242, 125596484, 251192968]

約数ペア:

[(1, 251192968), (2, 125596484), (4, 62798242), (8, 31399121), (13, 19322536), (26, 9661268), (52, 4830634), (104, 2415317), (211, 1190488), (422, 595244), (844, 297622), (1688, 148811), (2743, 91576), (5486, 45788), (10972, 22894), (11447, 21944)]