137942870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{2633}}^1$

素因数の和:2697

約数の個数: 48

約数和(自身を含む): 277644672

約数和(自身を除く): 139701802

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 169, 310, 338, 403, 806, 845, 1690, 2015, 2633, 4030, 5239, 5266, 10478, 13165, 26195, 26330, 34229, 52390, 68458, 81623, 163246, 171145, 342290, 408115, 444977, 816230, 889954, 1061099, 2122198, 2224885, 4449770, 5305495, 10610990, 13794287, 27588574, 68971435, 137942870]

約数ペア:

[(1, 137942870), (2, 68971435), (5, 27588574), (10, 13794287), (13, 10610990), (26, 5305495), (31, 4449770), (62, 2224885), (65, 2122198), (130, 1061099), (155, 889954), (169, 816230), (310, 444977), (338, 408115), (403, 342290), (806, 171145), (845, 163246), (1690, 81623), (2015, 68458), (2633, 52390), (4030, 34229), (5239, 26330), (5266, 26195), (10478, 13165)]