428021278

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{349}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 674150400

約数和(自身を除く): 246129122

約数列:

[1, 2, 31, 62, 131, 151, 262, 302, 349, 698, 4061, 4681, 8122, 9362, 10819, 19781, 21638, 39562, 45719, 52699, 91438, 105398, 613211, 1226422, 1417289, 1633669, 2834578, 3267338, 6903569, 13807138, 214010639, 428021278]

約数ペア:

[(1, 428021278), (2, 214010639), (31, 13807138), (62, 6903569), (131, 3267338), (151, 2834578), (262, 1633669), (302, 1417289), (349, 1226422), (698, 613211), (4061, 105398), (4681, 91438), (8122, 52699), (9362, 45719), (10819, 39562), (19781, 21638)]