140705812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1657}}^1$

素因数の和:1768

約数の個数: 48

約数和(自身を含む): 280772352

約数和(自身を除く): 140066540

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 71, 92, 142, 284, 299, 598, 923, 1196, 1633, 1657, 1846, 3266, 3314, 3692, 6532, 6628, 21229, 21541, 38111, 42458, 43082, 76222, 84916, 86164, 117647, 152444, 235294, 470588, 495443, 990886, 1529411, 1981772, 2705881, 3058822, 5411762, 6117644, 10823524, 35176453, 70352906, 140705812]

約数ペア:

[(1, 140705812), (2, 70352906), (4, 35176453), (13, 10823524), (23, 6117644), (26, 5411762), (46, 3058822), (52, 2705881), (71, 1981772), (92, 1529411), (142, 990886), (284, 495443), (299, 470588), (598, 235294), (923, 152444), (1196, 117647), (1633, 86164), (1657, 84916), (1846, 76222), (3266, 43082), (3314, 42458), (3692, 38111), (6532, 21541), (6628, 21229)]