1589403790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{394393}}^1$

素因数の和:394444

約数の個数: 32

約数和(自身を含む): 3180393216

約数和(自身を除く): 1590989426

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 394393, 788786, 1971965, 3943930, 5127109, 10254218, 12226183, 24452366, 25635545, 51271090, 61130915, 122261830, 158940379, 317880758, 794701895, 1589403790]

約数ペア:

[(1, 1589403790), (2, 794701895), (5, 317880758), (10, 158940379), (13, 122261830), (26, 61130915), (31, 51271090), (62, 25635545), (65, 24452366), (130, 12226183), (155, 10254218), (310, 5127109), (403, 3943930), (806, 1971965), (2015, 788786), (4030, 394393)]