2180354

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:206

約数の個数: 32

約数和(自身を含む): 3870720

約数和(自身を除く): 1690366

約数列:

[1, 2, 11, 22, 23, 31, 46, 62, 139, 253, 278, 341, 506, 682, 713, 1426, 1529, 3058, 3197, 4309, 6394, 7843, 8618, 15686, 35167, 47399, 70334, 94798, 99107, 198214, 1090177, 2180354]

約数ペア:

[(1, 2180354), (2, 1090177), (11, 198214), (22, 99107), (23, 94798), (31, 70334), (46, 47399), (62, 35167), (139, 15686), (253, 8618), (278, 7843), (341, 6394), (506, 4309), (682, 3197), (713, 3058), (1426, 1529)]