81707178

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2063}}^1$

素因数の和:2139

約数の個数: 64

約数和(自身を含む): 199729152

約数和(自身を除く): 118021974

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 41, 42, 46, 69, 82, 123, 138, 161, 246, 287, 322, 483, 574, 861, 943, 966, 1722, 1886, 2063, 2829, 4126, 5658, 6189, 6601, 12378, 13202, 14441, 19803, 28882, 39606, 43323, 47449, 84583, 86646, 94898, 142347, 169166, 253749, 284694, 332143, 507498, 592081, 664286, 996429, 1184162, 1776243, 1945409, 1992858, 3552486, 3890818, 5836227, 11672454, 13617863, 27235726, 40853589, 81707178]

約数ペア:

[(1, 81707178), (2, 40853589), (3, 27235726), (6, 13617863), (7, 11672454), (14, 5836227), (21, 3890818), (23, 3552486), (41, 1992858), (42, 1945409), (46, 1776243), (69, 1184162), (82, 996429), (123, 664286), (138, 592081), (161, 507498), (246, 332143), (287, 284694), (322, 253749), (483, 169166), (574, 142347), (861, 94898), (943, 86646), (966, 84583), (1722, 47449), (1886, 43323), (2063, 39606), (2829, 28882), (4126, 19803), (5658, 14441), (6189, 13202), (6601, 12378)]