639904212

素因数分解:

$2^2\times 3^4\times {\mathrm{757}}^1\times {\mathrm{2609}}^1$

素因数の和:3382

約数の個数: 60

約数和(自身を含む): 1675687860

約数和(自身を除く): 1035783648

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 757, 1514, 2271, 2609, 3028, 4542, 5218, 6813, 7827, 9084, 10436, 13626, 15654, 20439, 23481, 27252, 31308, 40878, 46962, 61317, 70443, 81756, 93924, 122634, 140886, 211329, 245268, 281772, 422658, 845316, 1975013, 3950026, 5925039, 7900052, 11850078, 17775117, 23700156, 35550234, 53325351, 71100468, 106650702, 159976053, 213301404, 319952106, 639904212]

約数ペア:

[(1, 639904212), (2, 319952106), (3, 213301404), (4, 159976053), (6, 106650702), (9, 71100468), (12, 53325351), (18, 35550234), (27, 23700156), (36, 17775117), (54, 11850078), (81, 7900052), (108, 5925039), (162, 3950026), (324, 1975013), (757, 845316), (1514, 422658), (2271, 281772), (2609, 245268), (3028, 211329), (4542, 140886), (5218, 122634), (6813, 93924), (7827, 81756), (9084, 70443), (10436, 61317), (13626, 46962), (15654, 40878), (20439, 31308), (23481, 27252)]