1388404798

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{74159}}^1$

素因数の和:74232

約数の個数: 32

約数和(自身を含む): 2434821120

約数和(自身を除く): 1046416322

約数列:

[1, 2, 11, 22, 23, 37, 46, 74, 253, 407, 506, 814, 851, 1702, 9361, 18722, 74159, 148318, 815749, 1631498, 1705657, 2743883, 3411314, 5487766, 18762227, 30182713, 37524454, 60365426, 63109309, 126218618, 694202399, 1388404798]

約数ペア:

[(1, 1388404798), (2, 694202399), (11, 126218618), (22, 63109309), (23, 60365426), (37, 37524454), (46, 30182713), (74, 18762227), (253, 5487766), (407, 3411314), (506, 2743883), (814, 1705657), (851, 1631498), (1702, 815749), (9361, 148318), (18722, 74159)]