72470013

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 126658560

約数和(自身を除く): 54188547

約数列:

[1, 3, 7, 11, 21, 33, 37, 61, 77, 111, 139, 183, 231, 259, 407, 417, 427, 671, 777, 973, 1221, 1281, 1529, 2013, 2257, 2849, 2919, 4587, 4697, 5143, 6771, 8479, 8547, 10703, 14091, 15429, 15799, 24827, 25437, 32109, 36001, 47397, 56573, 59353, 74481, 93269, 108003, 169719, 173789, 178059, 279807, 313723, 396011, 521367, 652883, 941169, 1188033, 1958649, 2196061, 3450953, 6588183, 10352859, 24156671, 72470013]

約数ペア:

[(1, 72470013), (3, 24156671), (7, 10352859), (11, 6588183), (21, 3450953), (33, 2196061), (37, 1958649), (61, 1188033), (77, 941169), (111, 652883), (139, 521367), (183, 396011), (231, 313723), (259, 279807), (407, 178059), (417, 173789), (427, 169719), (671, 108003), (777, 93269), (973, 74481), (1221, 59353), (1281, 56573), (1529, 47397), (2013, 36001), (2257, 32109), (2849, 25437), (2919, 24827), (4587, 15799), (4697, 15429), (5143, 14091), (6771, 10703), (8479, 8547)]