4097990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1087}}^1$

素因数の和:1136

約数の個数: 32

約数和(自身を含む): 8225280

約数和(自身を除く): 4127290

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1087, 1885, 2174, 3770, 5435, 10870, 14131, 28262, 31523, 63046, 70655, 141310, 157615, 315230, 409799, 819598, 2048995, 4097990]

約数ペア:

[(1, 4097990), (2, 2048995), (5, 819598), (10, 409799), (13, 315230), (26, 157615), (29, 141310), (58, 70655), (65, 63046), (130, 31523), (145, 28262), (290, 14131), (377, 10870), (754, 5435), (1087, 3770), (1885, 2174)]