2016807145

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{383}}^1\times {\mathrm{641}}^1$

素因数の和:1113

約数の個数: 32

約数和(自身を含む): 2556002304

約数和(自身を除く): 539195159

約数列:

[1, 5, 31, 53, 155, 265, 383, 641, 1643, 1915, 3205, 8215, 11873, 19871, 20299, 33973, 59365, 99355, 101495, 169865, 245503, 629269, 1053163, 1227515, 3146345, 5265815, 7610593, 13011659, 38052965, 65058295, 403361429, 2016807145]

約数ペア:

[(1, 2016807145), (5, 403361429), (31, 65058295), (53, 38052965), (155, 13011659), (265, 7610593), (383, 5265815), (641, 3146345), (1643, 1227515), (1915, 1053163), (3205, 629269), (8215, 245503), (11873, 169865), (19871, 101495), (20299, 99355), (33973, 59365)]