12781428

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2617}}^1$

素因数の和:2672

約数の個数: 48

約数和(自身を含む): 33426624

約数和(自身を除く): 20645196

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 37, 44, 66, 74, 111, 132, 148, 222, 407, 444, 814, 1221, 1628, 2442, 2617, 4884, 5234, 7851, 10468, 15702, 28787, 31404, 57574, 86361, 96829, 115148, 172722, 193658, 290487, 345444, 387316, 580974, 1065119, 1161948, 2130238, 3195357, 4260476, 6390714, 12781428]

約数ペア:

[(1, 12781428), (2, 6390714), (3, 4260476), (4, 3195357), (6, 2130238), (11, 1161948), (12, 1065119), (22, 580974), (33, 387316), (37, 345444), (44, 290487), (66, 193658), (74, 172722), (111, 115148), (132, 96829), (148, 86361), (222, 57574), (407, 31404), (444, 28787), (814, 15702), (1221, 10468), (1628, 7851), (2442, 5234), (2617, 4884)]