31381486

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:304

約数の個数: 32

約数和(自身を含む): 50688000

約数和(自身を除く): 19306514

約数列:

[1, 2, 31, 43, 62, 79, 86, 149, 158, 298, 1333, 2449, 2666, 3397, 4619, 4898, 6407, 6794, 9238, 11771, 12814, 23542, 105307, 198617, 210614, 364901, 397234, 506153, 729802, 1012306, 15690743, 31381486]

約数ペア:

[(1, 31381486), (2, 15690743), (31, 1012306), (43, 729802), (62, 506153), (79, 397234), (86, 364901), (149, 210614), (158, 198617), (298, 105307), (1333, 23542), (2449, 12814), (2666, 11771), (3397, 9238), (4619, 6794), (4898, 6407)]