85396355

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1$

素因数の和:105

約数の個数: 72

約数和(自身を含む): 131344416

約数和(自身を除く): 45948061

約数列:

[1, 5, 11, 17, 19, 23, 55, 85, 95, 115, 121, 187, 209, 253, 323, 361, 391, 437, 605, 935, 1045, 1265, 1615, 1805, 1955, 2057, 2185, 2299, 2783, 3553, 3971, 4301, 4807, 6137, 7429, 8303, 10285, 11495, 13915, 17765, 19855, 21505, 24035, 30685, 37145, 39083, 41515, 43681, 47311, 52877, 67507, 81719, 91333, 141151, 195415, 218405, 236555, 264385, 337535, 408595, 456665, 705755, 742577, 898909, 1004663, 1552661, 3712885, 4494545, 5023315, 7763305, 17079271, 85396355]

約数ペア:

[(1, 85396355), (5, 17079271), (11, 7763305), (17, 5023315), (19, 4494545), (23, 3712885), (55, 1552661), (85, 1004663), (95, 898909), (115, 742577), (121, 705755), (187, 456665), (209, 408595), (253, 337535), (323, 264385), (361, 236555), (391, 218405), (437, 195415), (605, 141151), (935, 91333), (1045, 81719), (1265, 67507), (1615, 52877), (1805, 47311), (1955, 43681), (2057, 41515), (2185, 39083), (2299, 37145), (2783, 30685), (3553, 24035), (3971, 21505), (4301, 19855), (4807, 17765), (6137, 13915), (7429, 11495), (8303, 10285)]