401367164

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{439}}^1\times {\mathrm{1889}}^1$

素因数の和:2354

約数の個数: 36

約数和(自身を含む): 774219600

約数和(自身を除く): 372852436

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 439, 484, 878, 1756, 1889, 3778, 4829, 7556, 9658, 19316, 20779, 41558, 53119, 83116, 106238, 212476, 228569, 457138, 829271, 914276, 1658542, 3317084, 9121981, 18243962, 36487924, 100341791, 200683582, 401367164]

約数ペア:

[(1, 401367164), (2, 200683582), (4, 100341791), (11, 36487924), (22, 18243962), (44, 9121981), (121, 3317084), (242, 1658542), (439, 914276), (484, 829271), (878, 457138), (1756, 228569), (1889, 212476), (3778, 106238), (4829, 83116), (7556, 53119), (9658, 41558), (19316, 20779)]