51391538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{739}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 87912000

約数和(自身を除く): 36520462

約数列:

[1, 2, 11, 22, 29, 58, 109, 218, 319, 638, 739, 1199, 1478, 2398, 3161, 6322, 8129, 16258, 21431, 34771, 42862, 69542, 80551, 161102, 235741, 471482, 886061, 1772122, 2335979, 4671958, 25695769, 51391538]

約数ペア:

[(1, 51391538), (2, 25695769), (11, 4671958), (22, 2335979), (29, 1772122), (58, 886061), (109, 471482), (218, 235741), (319, 161102), (638, 80551), (739, 69542), (1199, 42862), (1478, 34771), (2398, 21431), (3161, 16258), (6322, 8129)]