1613638490

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{19031}}^1$

素因数の和:19238

約数の個数: 32

約数和(自身を含む): 2973559680

約数和(自身を除く): 1359921190

約数列:

[1, 2, 5, 10, 61, 122, 139, 278, 305, 610, 695, 1390, 8479, 16958, 19031, 38062, 42395, 84790, 95155, 190310, 1160891, 2321782, 2645309, 5290618, 5804455, 11608910, 13226545, 26453090, 161363849, 322727698, 806819245, 1613638490]

約数ペア:

[(1, 1613638490), (2, 806819245), (5, 322727698), (10, 161363849), (61, 26453090), (122, 13226545), (139, 11608910), (278, 5804455), (305, 5290618), (610, 2645309), (695, 2321782), (1390, 1160891), (8479, 190310), (16958, 95155), (19031, 84790), (38062, 42395)]