25750478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:221

約数の個数: 48

約数和(自身を含む): 46418400

約数和(自身を除く): 20667922

約数列:

[1, 2, 13, 17, 23, 26, 34, 46, 149, 221, 289, 298, 299, 391, 442, 578, 598, 782, 1937, 2533, 3427, 3757, 3874, 5066, 5083, 6647, 6854, 7514, 10166, 13294, 32929, 43061, 44551, 58259, 65858, 86122, 86411, 89102, 116518, 172822, 559793, 757367, 990403, 1119586, 1514734, 1980806, 12875239, 25750478]

約数ペア:

[(1, 25750478), (2, 12875239), (13, 1980806), (17, 1514734), (23, 1119586), (26, 990403), (34, 757367), (46, 559793), (149, 172822), (221, 116518), (289, 89102), (298, 86411), (299, 86122), (391, 65858), (442, 58259), (578, 44551), (598, 43061), (782, 32929), (1937, 13294), (2533, 10166), (3427, 7514), (3757, 6854), (3874, 6647), (5066, 5083)]