138539408

素因数分解:

$2^4\times 7^1\times {\mathrm{1236959}}^1$

素因数の和:1236974

約数の個数: 20

約数和(自身を含む): 306766080

約数和(自身を除く): 168226672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1236959, 2473918, 4947836, 8658713, 9895672, 17317426, 19791344, 34634852, 69269704, 138539408]

約数ペア:

[(1, 138539408), (2, 69269704), (4, 34634852), (7, 19791344), (8, 17317426), (14, 9895672), (16, 8658713), (28, 4947836), (56, 2473918), (112, 1236959)]