278617690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{8893}}^1$

素因数の和:9154

約数の個数: 32

約数和(自身を含む): 542391696

約数和(自身を除く): 263774006

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 241, 482, 1205, 2410, 3133, 6266, 8893, 15665, 17786, 31330, 44465, 88930, 115609, 231218, 578045, 1156090, 2143213, 4286426, 10716065, 21432130, 27861769, 55723538, 139308845, 278617690]

約数ペア:

[(1, 278617690), (2, 139308845), (5, 55723538), (10, 27861769), (13, 21432130), (26, 10716065), (65, 4286426), (130, 2143213), (241, 1156090), (482, 578045), (1205, 231218), (2410, 115609), (3133, 88930), (6266, 44465), (8893, 31330), (15665, 17786)]