219710428

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1\times {\mathrm{373}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 446944960

約数和(自身を除く): 227234532

約数列:

[1, 2, 4, 7, 14, 28, 109, 193, 218, 373, 386, 436, 746, 763, 772, 1351, 1492, 1526, 2611, 2702, 3052, 5222, 5404, 10444, 21037, 40657, 42074, 71989, 81314, 84148, 143978, 147259, 162628, 284599, 287956, 294518, 503923, 569198, 589036, 1007846, 1138396, 2015692, 7846801, 15693602, 31387204, 54927607, 109855214, 219710428]

約数ペア:

[(1, 219710428), (2, 109855214), (4, 54927607), (7, 31387204), (14, 15693602), (28, 7846801), (109, 2015692), (193, 1138396), (218, 1007846), (373, 589036), (386, 569198), (436, 503923), (746, 294518), (763, 287956), (772, 284599), (1351, 162628), (1492, 147259), (1526, 143978), (2611, 84148), (2702, 81314), (3052, 71989), (5222, 42074), (5404, 40657), (10444, 21037)]