257474028

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{437881}}^1$

素因数の和:437902

約数の個数: 36

約数和(自身を含む): 698859672

約数和(自身を除く): 441385644

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 437881, 875762, 1313643, 1751524, 2627286, 3065167, 5254572, 6130334, 9195501, 12260668, 18391002, 21456169, 36782004, 42912338, 64368507, 85824676, 128737014, 257474028]

約数ペア:

[(1, 257474028), (2, 128737014), (3, 85824676), (4, 64368507), (6, 42912338), (7, 36782004), (12, 21456169), (14, 18391002), (21, 12260668), (28, 9195501), (42, 6130334), (49, 5254572), (84, 3065167), (98, 2627286), (147, 1751524), (196, 1313643), (294, 875762), (588, 437881)]