31738988

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 60673536

約数和(自身を除く): 28934548

約数列:

[1, 2, 4, 23, 43, 46, 71, 86, 92, 113, 142, 172, 226, 284, 452, 989, 1633, 1978, 2599, 3053, 3266, 3956, 4859, 5198, 6106, 6532, 8023, 9718, 10396, 12212, 16046, 19436, 32092, 70219, 111757, 140438, 184529, 223514, 280876, 344989, 369058, 447028, 689978, 738116, 1379956, 7934747, 15869494, 31738988]

約数ペア:

[(1, 31738988), (2, 15869494), (4, 7934747), (23, 1379956), (43, 738116), (46, 689978), (71, 447028), (86, 369058), (92, 344989), (113, 280876), (142, 223514), (172, 184529), (226, 140438), (284, 111757), (452, 70219), (989, 32092), (1633, 19436), (1978, 16046), (2599, 12212), (3053, 10396), (3266, 9718), (3956, 8023), (4859, 6532), (5198, 6106)]