81444110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{449}}^1$

素因数の和:581

約数の個数: 64

約数和(自身を含む): 171460800

約数和(自身を除く): 90016690

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 97, 110, 170, 187, 194, 374, 449, 485, 898, 935, 970, 1067, 1649, 1870, 2134, 2245, 3298, 4490, 4939, 5335, 7633, 8245, 9878, 10670, 15266, 16490, 18139, 24695, 36278, 38165, 43553, 49390, 76330, 83963, 87106, 90695, 167926, 181390, 217765, 419815, 435530, 479083, 740401, 839630, 958166, 1480802, 2395415, 3702005, 4790830, 7404010, 8144411, 16288822, 40722055, 81444110]

約数ペア:

[(1, 81444110), (2, 40722055), (5, 16288822), (10, 8144411), (11, 7404010), (17, 4790830), (22, 3702005), (34, 2395415), (55, 1480802), (85, 958166), (97, 839630), (110, 740401), (170, 479083), (187, 435530), (194, 419815), (374, 217765), (449, 181390), (485, 167926), (898, 90695), (935, 87106), (970, 83963), (1067, 76330), (1649, 49390), (1870, 43553), (2134, 38165), (2245, 36278), (3298, 24695), (4490, 18139), (4939, 16490), (5335, 15266), (7633, 10670), (8245, 9878)]