51721904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{1489}}^1$

素因数の和:1677

約数の個数: 40

約数和(自身を含む): 108638880

約数和(自身を除く): 56916976

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 167, 208, 334, 668, 1336, 1489, 2171, 2672, 2978, 4342, 5956, 8684, 11912, 17368, 19357, 23824, 34736, 38714, 77428, 154856, 248663, 309712, 497326, 994652, 1989304, 3232619, 3978608, 6465238, 12930476, 25860952, 51721904]

約数ペア:

[(1, 51721904), (2, 25860952), (4, 12930476), (8, 6465238), (13, 3978608), (16, 3232619), (26, 1989304), (52, 994652), (104, 497326), (167, 309712), (208, 248663), (334, 154856), (668, 77428), (1336, 38714), (1489, 34736), (2171, 23824), (2672, 19357), (2978, 17368), (4342, 11912), (5956, 8684)]