91591918

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:505

約数の個数: 48

約数和(自身を含む): 161642880

約数和(自身を除く): 70050962

約数列:

[1, 2, 11, 22, 29, 31, 58, 62, 121, 242, 319, 341, 421, 638, 682, 842, 899, 1798, 3509, 3751, 4631, 7018, 7502, 9262, 9889, 12209, 13051, 19778, 24418, 26102, 50941, 101882, 108779, 134299, 143561, 217558, 268598, 287122, 378479, 756958, 1477289, 1579171, 2954578, 3158342, 4163269, 8326538, 45795959, 91591918]

約数ペア:

[(1, 91591918), (2, 45795959), (11, 8326538), (22, 4163269), (29, 3158342), (31, 2954578), (58, 1579171), (62, 1477289), (121, 756958), (242, 378479), (319, 287122), (341, 268598), (421, 217558), (638, 143561), (682, 134299), (842, 108779), (899, 101882), (1798, 50941), (3509, 26102), (3751, 24418), (4631, 19778), (7018, 13051), (7502, 12209), (9262, 9889)]