81346408

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{337}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 180573120

約数和(自身を除く): 99226712

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 211, 286, 337, 422, 572, 674, 844, 1144, 1348, 1688, 2321, 2696, 2743, 3707, 4381, 4642, 5486, 7414, 8762, 9284, 10972, 14828, 17524, 18568, 21944, 29656, 30173, 35048, 48191, 60346, 71107, 96382, 120692, 142214, 192764, 241384, 284428, 385528, 568856, 782177, 924391, 1564354, 1848782, 3128708, 3697564, 6257416, 7395128, 10168301, 20336602, 40673204, 81346408]

約数ペア:

[(1, 81346408), (2, 40673204), (4, 20336602), (8, 10168301), (11, 7395128), (13, 6257416), (22, 3697564), (26, 3128708), (44, 1848782), (52, 1564354), (88, 924391), (104, 782177), (143, 568856), (211, 385528), (286, 284428), (337, 241384), (422, 192764), (572, 142214), (674, 120692), (844, 96382), (1144, 71107), (1348, 60346), (1688, 48191), (2321, 35048), (2696, 30173), (2743, 29656), (3707, 21944), (4381, 18568), (4642, 17524), (5486, 14828), (7414, 10972), (8762, 9284)]