221283556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{863}}^1\times {\mathrm{4931}}^1$

素因数の和:5811

約数の個数: 24

約数和(自身を含む): 417602304

約数和(自身を除く): 196318748

約数列:

[1, 2, 4, 13, 26, 52, 863, 1726, 3452, 4931, 9862, 11219, 19724, 22438, 44876, 64103, 128206, 256412, 4255453, 8510906, 17021812, 55320889, 110641778, 221283556]

約数ペア:

[(1, 221283556), (2, 110641778), (4, 55320889), (13, 17021812), (26, 8510906), (52, 4255453), (863, 256412), (1726, 128206), (3452, 64103), (4931, 44876), (9862, 22438), (11219, 19724)]