81391342

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 144789120

約数和(自身を除く): 63397778

約数列:

[1, 2, 17, 23, 29, 34, 37, 46, 58, 74, 97, 194, 391, 493, 629, 667, 782, 851, 986, 1073, 1258, 1334, 1649, 1702, 2146, 2231, 2813, 3298, 3589, 4462, 5626, 7178, 11339, 14467, 18241, 22678, 24679, 28934, 36482, 37927, 47821, 49358, 61013, 64699, 75854, 82547, 95642, 104081, 122026, 129398, 165094, 208162, 419543, 839086, 1099883, 1403299, 1769377, 2199766, 2393863, 2806598, 3538754, 4787726, 40695671, 81391342]

約数ペア:

[(1, 81391342), (2, 40695671), (17, 4787726), (23, 3538754), (29, 2806598), (34, 2393863), (37, 2199766), (46, 1769377), (58, 1403299), (74, 1099883), (97, 839086), (194, 419543), (391, 208162), (493, 165094), (629, 129398), (667, 122026), (782, 104081), (851, 95642), (986, 82547), (1073, 75854), (1258, 64699), (1334, 61013), (1649, 49358), (1702, 47821), (2146, 37927), (2231, 36482), (2813, 28934), (3298, 24679), (3589, 22678), (4462, 18241), (5626, 14467), (7178, 11339)]