63680645

素因数分解:

$5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{4261}}^1$

素因数の和:4341

約数の個数: 24

約数和(自身を含む): 90371448

約数和(自身を除く): 26690803

約数列:

[1, 5, 7, 35, 49, 61, 245, 305, 427, 2135, 2989, 4261, 14945, 21305, 29827, 149135, 208789, 259921, 1043945, 1299605, 1819447, 9097235, 12736129, 63680645]

約数ペア:

[(1, 63680645), (5, 12736129), (7, 9097235), (35, 1819447), (49, 1299605), (61, 1043945), (245, 259921), (305, 208789), (427, 149135), (2135, 29827), (2989, 21305), (4261, 14945)]