256304312

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{991}}^1\times {\mathrm{2939}}^1$

素因数の和:3947

約数の個数: 32

約数和(自身を含む): 524966400

約数和(自身を除く): 268662088

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 991, 1982, 2939, 3964, 5878, 7928, 10901, 11756, 21802, 23512, 32329, 43604, 64658, 87208, 129316, 258632, 2912549, 5825098, 11650196, 23300392, 32038039, 64076078, 128152156, 256304312]

約数ペア:

[(1, 256304312), (2, 128152156), (4, 64076078), (8, 32038039), (11, 23300392), (22, 11650196), (44, 5825098), (88, 2912549), (991, 258632), (1982, 129316), (2939, 87208), (3964, 64658), (5878, 43604), (7928, 32329), (10901, 23512), (11756, 21802)]