2720221778

素因数分解:

$2^1\times {\mathrm{149}}^1\times {\mathrm{461}}^1\times {\mathrm{19801}}^1$

素因数の和:20413

約数の個数: 16

約数和(自身を含む): 4116835800

約数和(自身を除く): 1396614022

約数列:

[1, 2, 149, 298, 461, 922, 19801, 39602, 68689, 137378, 2950349, 5900698, 9128261, 18256522, 1360110889, 2720221778]

約数ペア:

[(1, 2720221778), (2, 1360110889), (149, 18256522), (298, 9128261), (461, 5900698), (922, 2950349), (19801, 137378), (39602, 68689)]