221707928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{21107}}^1$

素因数の和:21227

約数の個数: 32

約数和(自身を含む): 452133360

約数和(自身を除く): 230425432

約数列:

[1, 2, 4, 8, 13, 26, 52, 101, 104, 202, 404, 808, 1313, 2626, 5252, 10504, 21107, 42214, 84428, 168856, 274391, 548782, 1097564, 2131807, 2195128, 4263614, 8527228, 17054456, 27713491, 55426982, 110853964, 221707928]

約数ペア:

[(1, 221707928), (2, 110853964), (4, 55426982), (8, 27713491), (13, 17054456), (26, 8527228), (52, 4263614), (101, 2195128), (104, 2131807), (202, 1097564), (404, 548782), (808, 274391), (1313, 168856), (2626, 84428), (5252, 42214), (10504, 21107)]