2878056

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 7918560

約数和(自身を除く): 5040504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 563, 568, 639, 852, 1126, 1278, 1689, 1704, 2252, 2556, 3378, 4504, 5067, 5112, 6756, 10134, 13512, 20268, 39973, 40536, 79946, 119919, 159892, 239838, 319784, 359757, 479676, 719514, 959352, 1439028, 2878056]

約数ペア:

[(1, 2878056), (2, 1439028), (3, 959352), (4, 719514), (6, 479676), (8, 359757), (9, 319784), (12, 239838), (18, 159892), (24, 119919), (36, 79946), (71, 40536), (72, 39973), (142, 20268), (213, 13512), (284, 10134), (426, 6756), (563, 5112), (568, 5067), (639, 4504), (852, 3378), (1126, 2556), (1278, 2252), (1689, 1704)]