257952674

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{3989}}^1$

素因数の和:4178

約数の個数: 32

約数和(自身を含む): 459648000

約数和(自身を除く): 201695326

約数列:

[1, 2, 7, 14, 31, 62, 149, 217, 298, 434, 1043, 2086, 3989, 4619, 7978, 9238, 27923, 32333, 55846, 64666, 123659, 247318, 594361, 865613, 1188722, 1731226, 4160527, 8321054, 18425191, 36850382, 128976337, 257952674]

約数ペア:

[(1, 257952674), (2, 128976337), (7, 36850382), (14, 18425191), (31, 8321054), (62, 4160527), (149, 1731226), (217, 1188722), (298, 865613), (434, 594361), (1043, 247318), (2086, 123659), (3989, 64666), (4619, 55846), (7978, 32333), (9238, 27923)]