67720430

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{218453}}^1$

素因数の和:218491

約数の個数: 16

約数和(自身を含む): 125829504

約数和(自身を除く): 58109074

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 218453, 436906, 1092265, 2184530, 6772043, 13544086, 33860215, 67720430]

約数ペア:

[(1, 67720430), (2, 33860215), (5, 13544086), (10, 6772043), (31, 2184530), (62, 1092265), (155, 436906), (310, 218453)]