644032

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{347}}^1$

素因数の和:388

約数の個数: 28

約数和(自身を含む): 1325880

約数和(自身を除く): 681848

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 232, 347, 464, 694, 928, 1388, 1856, 2776, 5552, 10063, 11104, 20126, 22208, 40252, 80504, 161008, 322016, 644032]

約数ペア:

[(1, 644032), (2, 322016), (4, 161008), (8, 80504), (16, 40252), (29, 22208), (32, 20126), (58, 11104), (64, 10063), (116, 5552), (232, 2776), (347, 1856), (464, 1388), (694, 928)]