78278395

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{317}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 105779520

約数和(自身を除く): 27501125

約数列:

[1, 5, 13, 29, 65, 131, 145, 317, 377, 655, 1585, 1703, 1885, 3799, 4121, 8515, 9193, 18995, 20605, 41527, 45965, 49387, 119509, 207635, 246935, 539851, 597545, 1204283, 2699255, 6021415, 15655679, 78278395]

約数ペア:

[(1, 78278395), (5, 15655679), (13, 6021415), (29, 2699255), (65, 1204283), (131, 597545), (145, 539851), (317, 246935), (377, 207635), (655, 119509), (1585, 49387), (1703, 45965), (1885, 41527), (3799, 20605), (4121, 18995), (8515, 9193)]