205276916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127343}}^1$

素因数の和:127391

約数の個数: 24

約数和(自身を含む): 399350784

約数和(自身を除く): 194073868

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 127343, 254686, 509372, 1655459, 3310918, 3947633, 6621836, 7895266, 15790532, 51319229, 102638458, 205276916]

約数ペア:

[(1, 205276916), (2, 102638458), (4, 51319229), (13, 15790532), (26, 7895266), (31, 6621836), (52, 3947633), (62, 3310918), (124, 1655459), (403, 509372), (806, 254686), (1612, 127343)]