328697488

素因数分解:

$2^4\times 7^2\times {\mathrm{211}}^1\times {\mathrm{1987}}^1$

素因数の和:2220

約数の個数: 60

約数和(自身を含む): 744712752

約数和(自身を除く): 416015264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 211, 392, 422, 784, 844, 1477, 1688, 1987, 2954, 3376, 3974, 5908, 7948, 10339, 11816, 13909, 15896, 20678, 23632, 27818, 31792, 41356, 55636, 82712, 97363, 111272, 165424, 194726, 222544, 389452, 419257, 778904, 838514, 1557808, 1677028, 2934799, 3354056, 5869598, 6708112, 11739196, 20543593, 23478392, 41087186, 46956784, 82174372, 164348744, 328697488]

約数ペア:

[(1, 328697488), (2, 164348744), (4, 82174372), (7, 46956784), (8, 41087186), (14, 23478392), (16, 20543593), (28, 11739196), (49, 6708112), (56, 5869598), (98, 3354056), (112, 2934799), (196, 1677028), (211, 1557808), (392, 838514), (422, 778904), (784, 419257), (844, 389452), (1477, 222544), (1688, 194726), (1987, 165424), (2954, 111272), (3376, 97363), (3974, 82712), (5908, 55636), (7948, 41356), (10339, 31792), (11816, 27818), (13909, 23632), (15896, 20678)]