2108687890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6802219}}^1$

素因数の和:6802257

約数の個数: 16

約数和(自身を含む): 3918078720

約数和(自身を除く): 1809390830

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 6802219, 13604438, 34011095, 68022190, 210868789, 421737578, 1054343945, 2108687890]

約数ペア:

[(1, 2108687890), (2, 1054343945), (5, 421737578), (10, 210868789), (31, 68022190), (62, 34011095), (155, 13604438), (310, 6802219)]