221122564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1\times {\mathrm{443}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 433379520

約数和(自身を除く): 212256956

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 331, 377, 443, 662, 754, 886, 1324, 1508, 1772, 4303, 5759, 8606, 9599, 11518, 12847, 17212, 19198, 23036, 25694, 38396, 51388, 124787, 146633, 167011, 249574, 293266, 334022, 499148, 586532, 668044, 1906229, 3812458, 4252357, 7624916, 8504714, 17009428, 55280641, 110561282, 221122564]

約数ペア:

[(1, 221122564), (2, 110561282), (4, 55280641), (13, 17009428), (26, 8504714), (29, 7624916), (52, 4252357), (58, 3812458), (116, 1906229), (331, 668044), (377, 586532), (443, 499148), (662, 334022), (754, 293266), (886, 249574), (1324, 167011), (1508, 146633), (1772, 124787), (4303, 51388), (5759, 38396), (8606, 25694), (9599, 23036), (11518, 19198), (12847, 17212)]