30718915

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{827}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 42923520

約数和(自身を除く): 12204605

約数列:

[1, 5, 17, 19, 23, 85, 95, 115, 323, 391, 437, 827, 1615, 1955, 2185, 4135, 7429, 14059, 15713, 19021, 37145, 70295, 78565, 95105, 267121, 323357, 361399, 1335605, 1616785, 1806995, 6143783, 30718915]

約数ペア:

[(1, 30718915), (5, 6143783), (17, 1806995), (19, 1616785), (23, 1335605), (85, 361399), (95, 323357), (115, 267121), (323, 95105), (391, 78565), (437, 70295), (827, 37145), (1615, 19021), (1955, 15713), (2185, 14059), (4135, 7429)]