164469890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{66587}}^1$

素因数の和:66626

約数の個数: 32

約数和(自身を含む): 335603520

約数和(自身を除く): 171133630

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 66587, 133174, 332935, 665870, 865631, 1265153, 1731262, 2530306, 4328155, 6325765, 8656310, 12651530, 16446989, 32893978, 82234945, 164469890]

約数ペア:

[(1, 164469890), (2, 82234945), (5, 32893978), (10, 16446989), (13, 12651530), (19, 8656310), (26, 6325765), (38, 4328155), (65, 2530306), (95, 1731262), (130, 1265153), (190, 865631), (247, 665870), (494, 332935), (1235, 133174), (2470, 66587)]