2187668

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 4730880

約数和(自身を除く): 2543212

約数列:

[1, 2, 4, 7, 14, 23, 28, 43, 46, 79, 86, 92, 158, 161, 172, 301, 316, 322, 553, 602, 644, 989, 1106, 1204, 1817, 1978, 2212, 3397, 3634, 3956, 6794, 6923, 7268, 12719, 13588, 13846, 23779, 25438, 27692, 47558, 50876, 78131, 95116, 156262, 312524, 546917, 1093834, 2187668]

約数ペア:

[(1, 2187668), (2, 1093834), (4, 546917), (7, 312524), (14, 156262), (23, 95116), (28, 78131), (43, 50876), (46, 47558), (79, 27692), (86, 25438), (92, 23779), (158, 13846), (161, 13588), (172, 12719), (301, 7268), (316, 6923), (322, 6794), (553, 3956), (602, 3634), (644, 3397), (989, 2212), (1106, 1978), (1204, 1817)]