28202210

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1231}}^1$

素因数の和:1346

約数の個数: 32

約数和(自身を含む): 53222400

約数和(自身を除く): 25020190

約数列:

[1, 2, 5, 10, 29, 58, 79, 145, 158, 290, 395, 790, 1231, 2291, 2462, 4582, 6155, 11455, 12310, 22910, 35699, 71398, 97249, 178495, 194498, 356990, 486245, 972490, 2820221, 5640442, 14101105, 28202210]

約数ペア:

[(1, 28202210), (2, 14101105), (5, 5640442), (10, 2820221), (29, 972490), (58, 486245), (79, 356990), (145, 194498), (158, 178495), (290, 97249), (395, 71398), (790, 35699), (1231, 22910), (2291, 12310), (2462, 11455), (4582, 6155)]