128412416

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1471}}^1$

素因数の和:1529

約数の個数: 72

約数和(自身を含む): 288841728

約数和(自身を除く): 160429312

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 124, 128, 176, 248, 256, 341, 352, 496, 682, 704, 992, 1364, 1408, 1471, 1984, 2728, 2816, 2942, 3968, 5456, 5884, 7936, 10912, 11768, 16181, 21824, 23536, 32362, 43648, 45601, 47072, 64724, 87296, 91202, 94144, 129448, 182404, 188288, 258896, 364808, 376576, 501611, 517792, 729616, 1003222, 1035584, 1459232, 2006444, 2071168, 2918464, 4012888, 4142336, 5836928, 8025776, 11673856, 16051552, 32103104, 64206208, 128412416]

約数ペア:

[(1, 128412416), (2, 64206208), (4, 32103104), (8, 16051552), (11, 11673856), (16, 8025776), (22, 5836928), (31, 4142336), (32, 4012888), (44, 2918464), (62, 2071168), (64, 2006444), (88, 1459232), (124, 1035584), (128, 1003222), (176, 729616), (248, 517792), (256, 501611), (341, 376576), (352, 364808), (496, 258896), (682, 188288), (704, 182404), (992, 129448), (1364, 94144), (1408, 91202), (1471, 87296), (1984, 64724), (2728, 47072), (2816, 45601), (2942, 43648), (3968, 32362), (5456, 23536), (5884, 21824), (7936, 16181), (10912, 11768)]