72196747

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^2$

素因数の和:160

約数の個数: 36

約数和(自身を含む): 92627280

約数和(自身を除く): 20430533

約数列:

[1, 7, 23, 29, 47, 49, 161, 203, 329, 667, 1081, 1127, 1363, 1421, 2209, 2303, 4669, 7567, 9541, 15463, 31349, 32683, 50807, 52969, 64061, 66787, 108241, 219443, 355649, 448427, 1473403, 1536101, 2489543, 3138989, 10313821, 72196747]

約数ペア:

[(1, 72196747), (7, 10313821), (23, 3138989), (29, 2489543), (47, 1536101), (49, 1473403), (161, 448427), (203, 355649), (329, 219443), (667, 108241), (1081, 66787), (1127, 64061), (1363, 52969), (1421, 50807), (2209, 32683), (2303, 31349), (4669, 15463), (7567, 9541)]