31168990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^2\times {\mathrm{83}}^1$

素因数の和:201

約数の個数: 48

約数和(自身を含む): 61426512

約数和(自身を除く): 30257522

約数列:

[1, 2, 5, 10, 17, 34, 47, 83, 85, 94, 166, 170, 235, 415, 470, 799, 830, 1411, 1598, 2209, 2822, 3901, 3995, 4418, 7055, 7802, 7990, 11045, 14110, 19505, 22090, 37553, 39010, 66317, 75106, 132634, 183347, 187765, 331585, 366694, 375530, 663170, 916735, 1833470, 3116899, 6233798, 15584495, 31168990]

約数ペア:

[(1, 31168990), (2, 15584495), (5, 6233798), (10, 3116899), (17, 1833470), (34, 916735), (47, 663170), (83, 375530), (85, 366694), (94, 331585), (166, 187765), (170, 183347), (235, 132634), (415, 75106), (470, 66317), (799, 39010), (830, 37553), (1411, 22090), (1598, 19505), (2209, 14110), (2822, 11045), (3901, 7990), (3995, 7802), (4418, 7055)]