1381818046

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1390159}}^1$

素因数の和:1390239

約数の個数: 16

約数和(自身を含む): 2402196480

約数和(自身を除く): 1020378434

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 1390159, 2780318, 9731113, 19462226, 98701289, 197402578, 690909023, 1381818046]

約数ペア:

[(1, 1381818046), (2, 690909023), (7, 197402578), (14, 98701289), (71, 19462226), (142, 9731113), (497, 2780318), (994, 1390159)]