25915659

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:117

約数の個数: 72

約数和(自身を含む): 46577664

約数和(自身を除く): 20662005

約数列:

[1, 3, 7, 11, 21, 31, 33, 47, 49, 77, 93, 121, 141, 147, 217, 231, 329, 341, 363, 517, 539, 651, 847, 987, 1023, 1457, 1519, 1551, 1617, 2303, 2387, 2541, 3619, 3751, 4371, 4557, 5687, 5929, 6909, 7161, 10199, 10857, 11253, 16027, 16709, 17061, 17787, 25333, 26257, 30597, 39809, 48081, 50127, 71393, 75999, 78771, 112189, 119427, 176297, 183799, 214179, 278663, 336567, 528891, 551397, 785323, 835989, 1234079, 2355969, 3702237, 8638553, 25915659]

約数ペア:

[(1, 25915659), (3, 8638553), (7, 3702237), (11, 2355969), (21, 1234079), (31, 835989), (33, 785323), (47, 551397), (49, 528891), (77, 336567), (93, 278663), (121, 214179), (141, 183799), (147, 176297), (217, 119427), (231, 112189), (329, 78771), (341, 75999), (363, 71393), (517, 50127), (539, 48081), (651, 39809), (847, 30597), (987, 26257), (1023, 25333), (1457, 17787), (1519, 17061), (1551, 16709), (1617, 16027), (2303, 11253), (2387, 10857), (2541, 10199), (3619, 7161), (3751, 6909), (4371, 5929), (4557, 5687)]