51666948

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:617

約数の個数: 72

約数和(自身を含む): 136106880

約数和(自身を除く): 84439932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 79, 111, 148, 158, 222, 237, 316, 333, 444, 474, 491, 666, 711, 948, 982, 1332, 1422, 1473, 1964, 2844, 2923, 2946, 4419, 5846, 5892, 8769, 8838, 11692, 17538, 17676, 18167, 26307, 35076, 36334, 38789, 52614, 54501, 72668, 77578, 105228, 109002, 116367, 155156, 163503, 218004, 232734, 327006, 349101, 465468, 654012, 698202, 1396404, 1435193, 2870386, 4305579, 5740772, 8611158, 12916737, 17222316, 25833474, 51666948]

約数ペア:

[(1, 51666948), (2, 25833474), (3, 17222316), (4, 12916737), (6, 8611158), (9, 5740772), (12, 4305579), (18, 2870386), (36, 1435193), (37, 1396404), (74, 698202), (79, 654012), (111, 465468), (148, 349101), (158, 327006), (222, 232734), (237, 218004), (316, 163503), (333, 155156), (444, 116367), (474, 109002), (491, 105228), (666, 77578), (711, 72668), (948, 54501), (982, 52614), (1332, 38789), (1422, 36334), (1473, 35076), (1964, 26307), (2844, 18167), (2923, 17676), (2946, 17538), (4419, 11692), (5846, 8838), (5892, 8769)]