81553992

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{20107}}^1$

素因数の和:20142

約数の個数: 48

約数和(自身を含む): 220785840

約数和(自身を除く): 139231848

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 169, 312, 338, 507, 676, 1014, 1352, 2028, 4056, 20107, 40214, 60321, 80428, 120642, 160856, 241284, 261391, 482568, 522782, 784173, 1045564, 1568346, 2091128, 3136692, 3398083, 6273384, 6796166, 10194249, 13592332, 20388498, 27184664, 40776996, 81553992]

約数ペア:

[(1, 81553992), (2, 40776996), (3, 27184664), (4, 20388498), (6, 13592332), (8, 10194249), (12, 6796166), (13, 6273384), (24, 3398083), (26, 3136692), (39, 2091128), (52, 1568346), (78, 1045564), (104, 784173), (156, 522782), (169, 482568), (312, 261391), (338, 241284), (507, 160856), (676, 120642), (1014, 80428), (1352, 60321), (2028, 40214), (4056, 20107)]