29970505

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{811}}^1$

素因数の和:1224

約数の個数: 16

約数和(自身を含む): 38001600

約数和(自身を除く): 8031095

約数列:

[1, 5, 19, 95, 389, 811, 1945, 4055, 7391, 15409, 36955, 77045, 315479, 1577395, 5994101, 29970505]

約数ペア:

[(1, 29970505), (5, 5994101), (19, 1577395), (95, 315479), (389, 77045), (811, 36955), (1945, 15409), (4055, 7391)]