31140566

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:400

約数の個数: 32

約数和(自身を含む): 51438240

約数和(自身を除く): 20297674

約数列:

[1, 2, 17, 34, 41, 82, 89, 178, 251, 502, 697, 1394, 1513, 3026, 3649, 4267, 7298, 8534, 10291, 20582, 22339, 44678, 62033, 124066, 174947, 349894, 379763, 759526, 915899, 1831798, 15570283, 31140566]

約数ペア:

[(1, 31140566), (2, 15570283), (17, 1831798), (34, 915899), (41, 759526), (82, 379763), (89, 349894), (178, 174947), (251, 124066), (502, 62033), (697, 44678), (1394, 22339), (1513, 20582), (3026, 10291), (3649, 8534), (4267, 7298)]