12978510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1307}}^1$

素因数の和:1648

約数の個数: 32

約数和(自身を含む): 31266432

約数和(自身を除く): 18287922

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 331, 662, 993, 1307, 1655, 1986, 2614, 3310, 3921, 4965, 6535, 7842, 9930, 13070, 19605, 39210, 432617, 865234, 1297851, 2163085, 2595702, 4326170, 6489255, 12978510]

約数ペア:

[(1, 12978510), (2, 6489255), (3, 4326170), (5, 2595702), (6, 2163085), (10, 1297851), (15, 865234), (30, 432617), (331, 39210), (662, 19605), (993, 13070), (1307, 9930), (1655, 7842), (1986, 6535), (2614, 4965), (3310, 3921)]