644728468

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{2749}}^1\times {\mathrm{3449}}^1$

素因数の和:6219

約数の個数: 24

約数和(自身を含む): 1195425000

約数和(自身を除く): 550696532

約数列:

[1, 2, 4, 17, 34, 68, 2749, 3449, 5498, 6898, 10996, 13796, 46733, 58633, 93466, 117266, 186932, 234532, 9481301, 18962602, 37925204, 161182117, 322364234, 644728468]

約数ペア:

[(1, 644728468), (2, 322364234), (4, 161182117), (17, 37925204), (34, 18962602), (68, 9481301), (2749, 234532), (3449, 186932), (5498, 117266), (6898, 93466), (10996, 58633), (13796, 46733)]