131489386

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1\times {\mathrm{757}}^1$

素因数の和:1438

約数の個数: 32

約数和(自身を含む): 237951360

約数和(自身を除く): 106461974

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 653, 757, 1306, 1514, 4571, 5299, 9142, 10598, 12407, 14383, 24814, 28766, 86849, 100681, 173698, 201362, 494321, 988642, 3460247, 6920494, 9392099, 18784198, 65744693, 131489386]

約数ペア:

[(1, 131489386), (2, 65744693), (7, 18784198), (14, 9392099), (19, 6920494), (38, 3460247), (133, 988642), (266, 494321), (653, 201362), (757, 173698), (1306, 100681), (1514, 86849), (4571, 28766), (5299, 24814), (9142, 14383), (10598, 12407)]