211276919

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1223}}^1$

素因数の和:1319

約数の個数: 32

約数和(自身を含む): 267909120

約数和(自身を除く): 56632201

約数列:

[1, 7, 23, 29, 37, 161, 203, 259, 667, 851, 1073, 1223, 4669, 5957, 7511, 8561, 24679, 28129, 35467, 45251, 172753, 196903, 248269, 316757, 815741, 1040773, 1312279, 5710187, 7285411, 9185953, 30182417, 211276919]

約数ペア:

[(1, 211276919), (7, 30182417), (23, 9185953), (29, 7285411), (37, 5710187), (161, 1312279), (203, 1040773), (259, 815741), (667, 316757), (851, 248269), (1073, 196903), (1223, 172753), (4669, 45251), (5957, 35467), (7511, 28129), (8561, 24679)]