25427276

素因数分解:

$2^2\times 7^3\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:499

約数の個数: 48

約数和(自身を含む): 53222400

約数和(自身を除く): 27795124

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 301, 343, 431, 602, 686, 862, 1204, 1372, 1724, 2107, 3017, 4214, 6034, 8428, 12068, 14749, 18533, 21119, 29498, 37066, 42238, 58996, 74132, 84476, 129731, 147833, 259462, 295666, 518924, 591332, 908117, 1816234, 3632468, 6356819, 12713638, 25427276]

約数ペア:

[(1, 25427276), (2, 12713638), (4, 6356819), (7, 3632468), (14, 1816234), (28, 908117), (43, 591332), (49, 518924), (86, 295666), (98, 259462), (172, 147833), (196, 129731), (301, 84476), (343, 74132), (431, 58996), (602, 42238), (686, 37066), (862, 29498), (1204, 21119), (1372, 18533), (1724, 14749), (2107, 12068), (3017, 8428), (4214, 6034)]