318890554

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{521}}^1$

素因数の和:786

約数の個数: 32

約数和(自身を含む): 506820240

約数和(自身を除く): 187929686

約数列:

[1, 2, 29, 58, 61, 122, 173, 346, 521, 1042, 1769, 3538, 5017, 10034, 10553, 15109, 21106, 30218, 31781, 63562, 90133, 180266, 306037, 612074, 921649, 1843298, 2613857, 5227714, 5498113, 10996226, 159445277, 318890554]

約数ペア:

[(1, 318890554), (2, 159445277), (29, 10996226), (58, 5498113), (61, 5227714), (122, 2613857), (173, 1843298), (346, 921649), (521, 612074), (1042, 306037), (1769, 180266), (3538, 90133), (5017, 63562), (10034, 31781), (10553, 30218), (15109, 21106)]