209541338

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{239}}^1$

素因数の和:530

約数の個数: 32

約数和(自身を含む): 331776000

約数和(自身を除く): 122234662

約数列:

[1, 2, 31, 62, 79, 158, 179, 239, 358, 478, 2449, 4898, 5549, 7409, 11098, 14141, 14818, 18881, 28282, 37762, 42781, 85562, 438371, 585311, 876742, 1170622, 1326211, 2652422, 3379699, 6759398, 104770669, 209541338]

約数ペア:

[(1, 209541338), (2, 104770669), (31, 6759398), (62, 3379699), (79, 2652422), (158, 1326211), (179, 1170622), (239, 876742), (358, 585311), (478, 438371), (2449, 85562), (4898, 42781), (5549, 37762), (7409, 28282), (11098, 18881), (14141, 14818)]