2650998

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:217

約数の個数: 48

約数和(自身を含む): 6303744

約数和(自身を除く): 3652746

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 71, 98, 127, 142, 147, 213, 254, 294, 381, 426, 497, 762, 889, 994, 1491, 1778, 2667, 2982, 3479, 5334, 6223, 6958, 9017, 10437, 12446, 18034, 18669, 20874, 27051, 37338, 54102, 63119, 126238, 189357, 378714, 441833, 883666, 1325499, 2650998]

約数ペア:

[(1, 2650998), (2, 1325499), (3, 883666), (6, 441833), (7, 378714), (14, 189357), (21, 126238), (42, 63119), (49, 54102), (71, 37338), (98, 27051), (127, 20874), (142, 18669), (147, 18034), (213, 12446), (254, 10437), (294, 9017), (381, 6958), (426, 6223), (497, 5334), (762, 3479), (889, 2982), (994, 2667), (1491, 1778)]