780921018

素因数分解:

$2^1\times 3^2\times {\mathrm{331}}^1\times {\mathrm{131071}}^1$

素因数の和:131410

約数の個数: 24

約数和(自身を含む): 1697120256

約数和(自身を除く): 916199238

約数列:

[1, 2, 3, 6, 9, 18, 331, 662, 993, 1986, 2979, 5958, 131071, 262142, 393213, 786426, 1179639, 2359278, 43384501, 86769002, 130153503, 260307006, 390460509, 780921018]

約数ペア:

[(1, 780921018), (2, 390460509), (3, 260307006), (6, 130153503), (9, 86769002), (18, 43384501), (331, 2359278), (662, 1179639), (993, 786426), (1986, 393213), (2979, 262142), (5958, 131071)]