81577716

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{2957}}^1$

素因数の和:3005

約数の個数: 72

約数和(自身を含む): 220311840

約数和(自身を除く): 138734124

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 44, 57, 66, 76, 114, 121, 132, 209, 228, 242, 363, 418, 484, 627, 726, 836, 1254, 1452, 2299, 2508, 2957, 4598, 5914, 6897, 8871, 9196, 11828, 13794, 17742, 27588, 32527, 35484, 56183, 65054, 97581, 112366, 130108, 168549, 195162, 224732, 337098, 357797, 390324, 618013, 674196, 715594, 1073391, 1236026, 1431188, 1854039, 2146782, 2472052, 3708078, 4293564, 6798143, 7416156, 13596286, 20394429, 27192572, 40788858, 81577716]

約数ペア:

[(1, 81577716), (2, 40788858), (3, 27192572), (4, 20394429), (6, 13596286), (11, 7416156), (12, 6798143), (19, 4293564), (22, 3708078), (33, 2472052), (38, 2146782), (44, 1854039), (57, 1431188), (66, 1236026), (76, 1073391), (114, 715594), (121, 674196), (132, 618013), (209, 390324), (228, 357797), (242, 337098), (363, 224732), (418, 195162), (484, 168549), (627, 130108), (726, 112366), (836, 97581), (1254, 65054), (1452, 56183), (2299, 35484), (2508, 32527), (2957, 27588), (4598, 17742), (5914, 13794), (6897, 11828), (8871, 9196)]