12920488

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4909}}^1$

素因数の和:4969

約数の個数: 32

約数和(自身を含む): 28281600

約数和(自身を除く): 15361112

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 2632, 4909, 9818, 19636, 34363, 39272, 68726, 137452, 230723, 274904, 461446, 922892, 1615061, 1845784, 3230122, 6460244, 12920488]

約数ペア:

[(1, 12920488), (2, 6460244), (4, 3230122), (7, 1845784), (8, 1615061), (14, 922892), (28, 461446), (47, 274904), (56, 230723), (94, 137452), (188, 68726), (329, 39272), (376, 34363), (658, 19636), (1316, 9818), (2632, 4909)]