278314214

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{433}}^1$

素因数の和:704

約数の個数: 32

約数和(自身を含む): 444346560

約数和(自身を除く): 166032346

約数列:

[1, 2, 23, 46, 89, 157, 178, 314, 433, 866, 2047, 3611, 4094, 7222, 9959, 13973, 19918, 27946, 38537, 67981, 77074, 135962, 321379, 642758, 886351, 1563563, 1772702, 3127126, 6050309, 12100618, 139157107, 278314214]

約数ペア:

[(1, 278314214), (2, 139157107), (23, 12100618), (46, 6050309), (89, 3127126), (157, 1772702), (178, 1563563), (314, 886351), (433, 642758), (866, 321379), (2047, 135962), (3611, 77074), (4094, 67981), (7222, 38537), (9959, 27946), (13973, 19918)]