25111422

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:494

約数の個数: 72

約数和(自身を含む): 64342512

約数和(自身を除く): 39231090

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 71, 98, 126, 142, 147, 213, 294, 401, 426, 441, 497, 639, 802, 882, 994, 1203, 1278, 1491, 2406, 2807, 2982, 3479, 3609, 4473, 5614, 6958, 7218, 8421, 8946, 10437, 16842, 19649, 20874, 25263, 28471, 31311, 39298, 50526, 56942, 58947, 62622, 85413, 117894, 170826, 176841, 199297, 256239, 353682, 398594, 512478, 597891, 1195782, 1395079, 1793673, 2790158, 3587346, 4185237, 8370474, 12555711, 25111422]

約数ペア:

[(1, 25111422), (2, 12555711), (3, 8370474), (6, 4185237), (7, 3587346), (9, 2790158), (14, 1793673), (18, 1395079), (21, 1195782), (42, 597891), (49, 512478), (63, 398594), (71, 353682), (98, 256239), (126, 199297), (142, 176841), (147, 170826), (213, 117894), (294, 85413), (401, 62622), (426, 58947), (441, 56942), (497, 50526), (639, 39298), (802, 31311), (882, 28471), (994, 25263), (1203, 20874), (1278, 19649), (1491, 16842), (2406, 10437), (2807, 8946), (2982, 8421), (3479, 7218), (3609, 6958), (4473, 5614)]