389351504

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{3851}}^1$

素因数の和:4019

約数の個数: 40

約数和(自身を含む): 773789760

約数和(自身を除く): 384438256

約数列:

[1, 2, 4, 8, 16, 71, 89, 142, 178, 284, 356, 568, 712, 1136, 1424, 3851, 6319, 7702, 12638, 15404, 25276, 30808, 50552, 61616, 101104, 273421, 342739, 546842, 685478, 1093684, 1370956, 2187368, 2741912, 4374736, 5483824, 24334469, 48668938, 97337876, 194675752, 389351504]

約数ペア:

[(1, 389351504), (2, 194675752), (4, 97337876), (8, 48668938), (16, 24334469), (71, 5483824), (89, 4374736), (142, 2741912), (178, 2187368), (284, 1370956), (356, 1093684), (568, 685478), (712, 546842), (1136, 342739), (1424, 273421), (3851, 101104), (6319, 61616), (7702, 50552), (12638, 30808), (15404, 25276)]