81685164

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{557}}^1$

素因数の和:687

約数の個数: 72

約数和(自身を含む): 211955184

約数和(自身を除く): 130270020

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 101, 121, 132, 202, 242, 303, 363, 404, 484, 557, 606, 726, 1111, 1114, 1212, 1452, 1671, 2222, 2228, 3333, 3342, 4444, 6127, 6666, 6684, 12221, 12254, 13332, 18381, 24442, 24508, 36663, 36762, 48884, 56257, 67397, 73326, 73524, 112514, 134794, 146652, 168771, 202191, 225028, 269588, 337542, 404382, 618827, 675084, 808764, 1237654, 1856481, 2475308, 3712962, 6807097, 7425924, 13614194, 20421291, 27228388, 40842582, 81685164]

約数ペア:

[(1, 81685164), (2, 40842582), (3, 27228388), (4, 20421291), (6, 13614194), (11, 7425924), (12, 6807097), (22, 3712962), (33, 2475308), (44, 1856481), (66, 1237654), (101, 808764), (121, 675084), (132, 618827), (202, 404382), (242, 337542), (303, 269588), (363, 225028), (404, 202191), (484, 168771), (557, 146652), (606, 134794), (726, 112514), (1111, 73524), (1114, 73326), (1212, 67397), (1452, 56257), (1671, 48884), (2222, 36762), (2228, 36663), (3333, 24508), (3342, 24442), (4444, 18381), (6127, 13332), (6666, 12254), (6684, 12221)]