1221768

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 3369600

約数和(自身を除く): 2147832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 239, 284, 426, 478, 568, 639, 717, 852, 956, 1278, 1434, 1704, 1912, 2151, 2556, 2868, 4302, 5112, 5736, 8604, 16969, 17208, 33938, 50907, 67876, 101814, 135752, 152721, 203628, 305442, 407256, 610884, 1221768]

約数ペア:

[(1, 1221768), (2, 610884), (3, 407256), (4, 305442), (6, 203628), (8, 152721), (9, 135752), (12, 101814), (18, 67876), (24, 50907), (36, 33938), (71, 17208), (72, 16969), (142, 8604), (213, 5736), (239, 5112), (284, 4302), (426, 2868), (478, 2556), (568, 2151), (639, 1912), (717, 1704), (852, 1434), (956, 1278)]