66335710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{331}}^1\times {\mathrm{409}}^1$

素因数の和:761

約数の個数: 48

約数和(自身を含む): 139659120

約数和(自身を除く): 73323410

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 331, 409, 490, 662, 818, 1655, 2045, 2317, 2863, 3310, 4090, 4634, 5726, 11585, 14315, 16219, 20041, 23170, 28630, 32438, 40082, 81095, 100205, 135379, 162190, 200410, 270758, 676895, 947653, 1353790, 1895306, 4738265, 6633571, 9476530, 13267142, 33167855, 66335710]

約数ペア:

[(1, 66335710), (2, 33167855), (5, 13267142), (7, 9476530), (10, 6633571), (14, 4738265), (35, 1895306), (49, 1353790), (70, 947653), (98, 676895), (245, 270758), (331, 200410), (409, 162190), (490, 135379), (662, 100205), (818, 81095), (1655, 40082), (2045, 32438), (2317, 28630), (2863, 23170), (3310, 20041), (4090, 16219), (4634, 14315), (5726, 11585)]