400397764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1\times {\mathrm{487}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 768627328

約数和(自身を除く): 368229564

約数列:

[1, 2, 4, 13, 26, 52, 97, 163, 194, 326, 388, 487, 652, 974, 1261, 1948, 2119, 2522, 4238, 5044, 6331, 8476, 12662, 15811, 25324, 31622, 47239, 63244, 79381, 94478, 158762, 188956, 205543, 317524, 411086, 614107, 822172, 1031953, 1228214, 2063906, 2456428, 4127812, 7699957, 15399914, 30799828, 100099441, 200198882, 400397764]

約数ペア:

[(1, 400397764), (2, 200198882), (4, 100099441), (13, 30799828), (26, 15399914), (52, 7699957), (97, 4127812), (163, 2456428), (194, 2063906), (326, 1228214), (388, 1031953), (487, 822172), (652, 614107), (974, 411086), (1261, 317524), (1948, 205543), (2119, 188956), (2522, 158762), (4238, 94478), (5044, 79381), (6331, 63244), (8476, 47239), (12662, 31622), (15811, 25324)]