1681409890

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{19157}}^1$

素因数の和:19362

約数の個数: 32

約数和(自身を含む): 3095319744

約数和(自身を除く): 1413909854

約数列:

[1, 2, 5, 10, 67, 131, 134, 262, 335, 655, 670, 1310, 8777, 17554, 19157, 38314, 43885, 87770, 95785, 191570, 1283519, 2509567, 2567038, 5019134, 6417595, 12547835, 12835190, 25095670, 168140989, 336281978, 840704945, 1681409890]

約数ペア:

[(1, 1681409890), (2, 840704945), (5, 336281978), (10, 168140989), (67, 25095670), (131, 12835190), (134, 12547835), (262, 6417595), (335, 5019134), (655, 2567038), (670, 2509567), (1310, 1283519), (8777, 191570), (17554, 95785), (19157, 87770), (38314, 43885)]