25459196

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 53098752

約数和(自身を除く): 27639556

約数列:

[1, 2, 4, 7, 14, 28, 41, 67, 82, 134, 164, 268, 287, 331, 469, 574, 662, 938, 1148, 1324, 1876, 2317, 2747, 4634, 5494, 9268, 10988, 13571, 19229, 22177, 27142, 38458, 44354, 54284, 76916, 88708, 94997, 155239, 189994, 310478, 379988, 620956, 909257, 1818514, 3637028, 6364799, 12729598, 25459196]

約数ペア:

[(1, 25459196), (2, 12729598), (4, 6364799), (7, 3637028), (14, 1818514), (28, 909257), (41, 620956), (67, 379988), (82, 310478), (134, 189994), (164, 155239), (268, 94997), (287, 88708), (331, 76916), (469, 54284), (574, 44354), (662, 38458), (938, 27142), (1148, 22177), (1324, 19229), (1876, 13571), (2317, 10988), (2747, 9268), (4634, 5494)]