28934815

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3347}}^1$

素因数の和:3391

約数の個数: 32

約数和(自身を含む): 44997120

約数和(自身を除く): 16062305

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 455, 665, 1235, 1729, 3347, 8645, 16735, 23429, 43511, 63593, 117145, 217555, 304577, 317965, 445151, 826709, 1522885, 2225755, 4133545, 5786963, 28934815]

約数ペア:

[(1, 28934815), (5, 5786963), (7, 4133545), (13, 2225755), (19, 1522885), (35, 826709), (65, 445151), (91, 317965), (95, 304577), (133, 217555), (247, 117145), (455, 63593), (665, 43511), (1235, 23429), (1729, 16735), (3347, 8645)]