639001566

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{107903}}^1$

素因数の和:107965

約数の個数: 48

約数和(自身を含む): 1615970304

約数和(自身を除く): 976968738

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 47, 63, 94, 126, 141, 282, 329, 423, 658, 846, 987, 1974, 2961, 5922, 107903, 215806, 323709, 647418, 755321, 971127, 1510642, 1942254, 2265963, 4531926, 5071441, 6797889, 10142882, 13595778, 15214323, 30428646, 35500087, 45642969, 71000174, 91285938, 106500261, 213000522, 319500783, 639001566]

約数ペア:

[(1, 639001566), (2, 319500783), (3, 213000522), (6, 106500261), (7, 91285938), (9, 71000174), (14, 45642969), (18, 35500087), (21, 30428646), (42, 15214323), (47, 13595778), (63, 10142882), (94, 6797889), (126, 5071441), (141, 4531926), (282, 2265963), (329, 1942254), (423, 1510642), (658, 971127), (846, 755321), (987, 647418), (1974, 323709), (2961, 215806), (5922, 107903)]