81310812

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{1861}}^1$

素因数の和:2210

約数の個数: 48

約数和(自身を含む): 207709824

約数和(自身を除く): 126399012

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 331, 662, 993, 1324, 1861, 1986, 3641, 3722, 3972, 5583, 7282, 7444, 10923, 11166, 14564, 20471, 21846, 22332, 40942, 43692, 61413, 81884, 122826, 245652, 615991, 1231982, 1847973, 2463964, 3695946, 6775901, 7391892, 13551802, 20327703, 27103604, 40655406, 81310812]

約数ペア:

[(1, 81310812), (2, 40655406), (3, 27103604), (4, 20327703), (6, 13551802), (11, 7391892), (12, 6775901), (22, 3695946), (33, 2463964), (44, 1847973), (66, 1231982), (132, 615991), (331, 245652), (662, 122826), (993, 81884), (1324, 61413), (1861, 43692), (1986, 40942), (3641, 22332), (3722, 21846), (3972, 20471), (5583, 14564), (7282, 11166), (7444, 10923)]