1620486889

素因数分解:

$7^2\times {\mathrm{71}}^1\times {\mathrm{379}}^1\times {\mathrm{1229}}^1$

素因数の和:1693

約数の個数: 24

約数和(自身を含む): 1918209600

約数和(自身を除く): 297722711

約数列:

[1, 7, 49, 71, 379, 497, 1229, 2653, 3479, 8603, 18571, 26909, 60221, 87259, 188363, 465791, 610813, 1318541, 3260537, 4275691, 22823759, 33071161, 231498127, 1620486889]

約数ペア:

[(1, 1620486889), (7, 231498127), (49, 33071161), (71, 22823759), (379, 4275691), (497, 3260537), (1229, 1318541), (2653, 610813), (3479, 465791), (8603, 188363), (18571, 87259), (26909, 60221)]