238791410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{166987}}^1$

素因数の和:167018

約数の個数: 32

約数和(自身を含む): 504971712

約数和(自身を除く): 266180302

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 166987, 333974, 834935, 1669870, 1836857, 2170831, 3673714, 4341662, 9184285, 10854155, 18368570, 21708310, 23879141, 47758282, 119395705, 238791410]

約数ペア:

[(1, 238791410), (2, 119395705), (5, 47758282), (10, 23879141), (11, 21708310), (13, 18368570), (22, 10854155), (26, 9184285), (55, 4341662), (65, 3673714), (110, 2170831), (130, 1836857), (143, 1669870), (286, 834935), (715, 333974), (1430, 166987)]