1388430032

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{2111}}^1$

素因数の和:2268

約数の個数: 80

約数和(自身を含む): 3045233664

約数和(自身を除く): 1656803632

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 74, 88, 101, 148, 176, 202, 296, 404, 407, 592, 808, 814, 1111, 1616, 1628, 2111, 2222, 3256, 3737, 4222, 4444, 6512, 7474, 8444, 8888, 14948, 16888, 17776, 23221, 29896, 33776, 41107, 46442, 59792, 78107, 82214, 92884, 156214, 164428, 185768, 213211, 312428, 328856, 371536, 426422, 624856, 657712, 852844, 859177, 1249712, 1705688, 1718354, 2345321, 3411376, 3436708, 4690642, 6873416, 7888807, 9381284, 13746832, 15777614, 18762568, 31555228, 37525136, 63110456, 86776877, 126220912, 173553754, 347107508, 694215016, 1388430032]

約数ペア:

[(1, 1388430032), (2, 694215016), (4, 347107508), (8, 173553754), (11, 126220912), (16, 86776877), (22, 63110456), (37, 37525136), (44, 31555228), (74, 18762568), (88, 15777614), (101, 13746832), (148, 9381284), (176, 7888807), (202, 6873416), (296, 4690642), (404, 3436708), (407, 3411376), (592, 2345321), (808, 1718354), (814, 1705688), (1111, 1249712), (1616, 859177), (1628, 852844), (2111, 657712), (2222, 624856), (3256, 426422), (3737, 371536), (4222, 328856), (4444, 312428), (6512, 213211), (7474, 185768), (8444, 164428), (8888, 156214), (14948, 92884), (16888, 82214), (17776, 78107), (23221, 59792), (29896, 46442), (33776, 41107)]