278320616

素因数分解:

$2^3\times 7^1\times {\mathrm{191}}^1\times {\mathrm{26021}}^1$

素因数の和:26225

約数の個数: 32

約数和(自身を含む): 599546880

約数和(自身を除く): 321226264

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 191, 382, 764, 1337, 1528, 2674, 5348, 10696, 26021, 52042, 104084, 182147, 208168, 364294, 728588, 1457176, 4970011, 9940022, 19880044, 34790077, 39760088, 69580154, 139160308, 278320616]

約数ペア:

[(1, 278320616), (2, 139160308), (4, 69580154), (7, 39760088), (8, 34790077), (14, 19880044), (28, 9940022), (56, 4970011), (191, 1457176), (382, 728588), (764, 364294), (1337, 208168), (1528, 182147), (2674, 104084), (5348, 52042), (10696, 26021)]