420199172

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{109313}}^1$

素因数の和:109379

約数の個数: 18

約数和(自身を含む): 759841614

約数和(自身を除く): 339642442

約数列:

[1, 2, 4, 31, 62, 124, 961, 1922, 3844, 109313, 218626, 437252, 3388703, 6777406, 13554812, 105049793, 210099586, 420199172]

約数ペア:

[(1, 420199172), (2, 210099586), (4, 105049793), (31, 13554812), (62, 6777406), (124, 3388703), (961, 437252), (1922, 218626), (3844, 109313)]