123808142

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{509}}^1$

素因数の和:740

約数の個数: 32

約数和(自身を含む): 202327200

約数和(自身を除く): 78519058

約数列:

[1, 2, 19, 37, 38, 74, 173, 346, 509, 703, 1018, 1406, 3287, 6401, 6574, 9671, 12802, 18833, 19342, 37666, 88057, 121619, 176114, 243238, 357827, 715654, 1673083, 3258109, 3346166, 6516218, 61904071, 123808142]

約数ペア:

[(1, 123808142), (2, 61904071), (19, 6516218), (37, 3346166), (38, 3258109), (74, 1673083), (173, 715654), (346, 357827), (509, 243238), (703, 176114), (1018, 121619), (1406, 88057), (3287, 37666), (6401, 19342), (6574, 18833), (9671, 12802)]