28909918

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{1951}}^1$

素因数の和:2223

約数の個数: 16

約数和(自身を含む): 44974080

約数和(自身を除く): 16064162

約数列:

[1, 2, 31, 62, 239, 478, 1951, 3902, 7409, 14818, 60481, 120962, 466289, 932578, 14454959, 28909918]

約数ペア:

[(1, 28909918), (2, 14454959), (31, 932578), (62, 466289), (239, 120962), (478, 60481), (1951, 14818), (3902, 7409)]