283761790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{128399}}^1$

素因数の和:128436

約数の個数: 32

約数和(自身を含む): 582422400

約数和(自身を除く): 298660610

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 128399, 256798, 641995, 1283990, 1669187, 2182783, 3338374, 4365566, 8345935, 10913915, 16691870, 21827830, 28376179, 56752358, 141880895, 283761790]

約数ペア:

[(1, 283761790), (2, 141880895), (5, 56752358), (10, 28376179), (13, 21827830), (17, 16691870), (26, 10913915), (34, 8345935), (65, 4365566), (85, 3338374), (130, 2182783), (170, 1669187), (221, 1283990), (442, 641995), (1105, 256798), (2210, 128399)]