213271156

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{563}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 435101184

約数和(自身を除く): 221830028

約数列:

[1, 2, 4, 7, 14, 28, 83, 163, 166, 326, 332, 563, 581, 652, 1126, 1141, 1162, 2252, 2282, 2324, 3941, 4564, 7882, 13529, 15764, 27058, 46729, 54116, 91769, 93458, 94703, 183538, 186916, 189406, 327103, 367076, 378812, 642383, 654206, 1284766, 1308412, 2569532, 7616827, 15233654, 30467308, 53317789, 106635578, 213271156]

約数ペア:

[(1, 213271156), (2, 106635578), (4, 53317789), (7, 30467308), (14, 15233654), (28, 7616827), (83, 2569532), (163, 1308412), (166, 1284766), (326, 654206), (332, 642383), (563, 378812), (581, 367076), (652, 327103), (1126, 189406), (1141, 186916), (1162, 183538), (2252, 94703), (2282, 93458), (2324, 91769), (3941, 54116), (4564, 46729), (7882, 27058), (13529, 15764)]