81835204

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{809}}^1$

素因数の和:865

約数の個数: 48

約数和(自身を含む): 166017600

約数和(自身を除く): 84182396

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 209, 242, 418, 484, 809, 836, 1331, 1618, 2299, 2662, 3236, 4598, 5324, 8899, 9196, 15371, 17798, 25289, 30742, 35596, 50578, 61484, 97889, 101156, 169081, 195778, 338162, 391556, 676324, 1076779, 1859891, 2153558, 3719782, 4307116, 7439564, 20458801, 40917602, 81835204]

約数ペア:

[(1, 81835204), (2, 40917602), (4, 20458801), (11, 7439564), (19, 4307116), (22, 3719782), (38, 2153558), (44, 1859891), (76, 1076779), (121, 676324), (209, 391556), (242, 338162), (418, 195778), (484, 169081), (809, 101156), (836, 97889), (1331, 61484), (1618, 50578), (2299, 35596), (2662, 30742), (3236, 25289), (4598, 17798), (5324, 15371), (8899, 9196)]