259434

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:115

約数の個数: 48

約数和(自身を含む): 673920

約数和(自身を除く): 414486

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 58, 63, 71, 87, 126, 142, 174, 203, 213, 261, 406, 426, 497, 522, 609, 639, 994, 1218, 1278, 1491, 1827, 2059, 2982, 3654, 4118, 4473, 6177, 8946, 12354, 14413, 18531, 28826, 37062, 43239, 86478, 129717, 259434]

約数ペア:

[(1, 259434), (2, 129717), (3, 86478), (6, 43239), (7, 37062), (9, 28826), (14, 18531), (18, 14413), (21, 12354), (29, 8946), (42, 6177), (58, 4473), (63, 4118), (71, 3654), (87, 2982), (126, 2059), (142, 1827), (174, 1491), (203, 1278), (213, 1218), (261, 994), (406, 639), (426, 609), (497, 522)]