221013016

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{207719}}^1$

素因数の和:207751

約数の個数: 32

約数和(自身を含む): 498528000

約数和(自身を除く): 277514984

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 207719, 415438, 830876, 1454033, 1661752, 2908066, 3946661, 5816132, 7893322, 11632264, 15786644, 27626627, 31573288, 55253254, 110506508, 221013016]

約数ペア:

[(1, 221013016), (2, 110506508), (4, 55253254), (7, 31573288), (8, 27626627), (14, 15786644), (19, 11632264), (28, 7893322), (38, 5816132), (56, 3946661), (76, 2908066), (133, 1661752), (152, 1454033), (266, 830876), (532, 415438), (1064, 207719)]