251417556

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31601}}^1$

素因数の和:31641

約数の個数: 72

約数和(自身を含む): 724697064

約数和(自身を除く): 473279508

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2652, 3978, 7956, 31601, 63202, 94803, 126404, 189606, 284409, 379212, 410813, 537217, 568818, 821626, 1074434, 1137636, 1232439, 1611651, 1643252, 2148868, 2464878, 3223302, 3697317, 4834953, 4929756, 6446604, 6983821, 7394634, 9669906, 13967642, 14789268, 19339812, 20951463, 27935284, 41902926, 62854389, 83805852, 125708778, 251417556]

約数ペア:

[(1, 251417556), (2, 125708778), (3, 83805852), (4, 62854389), (6, 41902926), (9, 27935284), (12, 20951463), (13, 19339812), (17, 14789268), (18, 13967642), (26, 9669906), (34, 7394634), (36, 6983821), (39, 6446604), (51, 4929756), (52, 4834953), (68, 3697317), (78, 3223302), (102, 2464878), (117, 2148868), (153, 1643252), (156, 1611651), (204, 1232439), (221, 1137636), (234, 1074434), (306, 821626), (442, 568818), (468, 537217), (612, 410813), (663, 379212), (884, 284409), (1326, 189606), (1989, 126404), (2652, 94803), (3978, 63202), (7956, 31601)]