221505816

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{1318487}}^1$

素因数の和:1318503

約数の個数: 32

約数和(自身を含む): 632874240

約数和(自身を除く): 411368424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 1318487, 2636974, 3955461, 5273948, 7910922, 9229409, 10547896, 15821844, 18458818, 27688227, 31643688, 36917636, 55376454, 73835272, 110752908, 221505816]

約数ペア:

[(1, 221505816), (2, 110752908), (3, 73835272), (4, 55376454), (6, 36917636), (7, 31643688), (8, 27688227), (12, 18458818), (14, 15821844), (21, 10547896), (24, 9229409), (28, 7910922), (42, 5273948), (56, 3955461), (84, 2636974), (168, 1318487)]