256894946

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{238307}}^1$

素因数の和:238334

約数の個数: 24

約数和(自身を含む): 489008016

約数和(自身を除く): 232113070

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 238307, 476614, 1668149, 2621377, 3336298, 5242754, 11677043, 18349639, 23354086, 36699278, 128447473, 256894946]

約数ペア:

[(1, 256894946), (2, 128447473), (7, 36699278), (11, 23354086), (14, 18349639), (22, 11677043), (49, 5242754), (77, 3336298), (98, 2621377), (154, 1668149), (539, 476614), (1078, 238307)]