918702967

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 1214030272

約数和(自身を除く): 295327305

約数列:

[1, 7, 13, 17, 91, 119, 181, 193, 221, 289, 1267, 1351, 1547, 2023, 2353, 2509, 3077, 3281, 3757, 16471, 17563, 21539, 22967, 26299, 34933, 40001, 42653, 52309, 55777, 244531, 280007, 298571, 366163, 390439, 454129, 593861, 680017, 725101, 3178903, 4157027, 4760119, 5075707, 7720193, 10095637, 54041351, 70669459, 131243281, 918702967]

約数ペア:

[(1, 918702967), (7, 131243281), (13, 70669459), (17, 54041351), (91, 10095637), (119, 7720193), (181, 5075707), (193, 4760119), (221, 4157027), (289, 3178903), (1267, 725101), (1351, 680017), (1547, 593861), (2023, 454129), (2353, 390439), (2509, 366163), (3077, 298571), (3281, 280007), (3757, 244531), (16471, 55777), (17563, 52309), (21539, 42653), (22967, 40001), (26299, 34933)]