163851590

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{2633}}^1$

素因数の和:2781

約数の個数: 48

約数和(自身を含む): 345917952

約数和(自身を除く): 182066362

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 127, 245, 254, 490, 635, 889, 1270, 1778, 2633, 4445, 5266, 6223, 8890, 12446, 13165, 18431, 26330, 31115, 36862, 62230, 92155, 129017, 184310, 258034, 334391, 645085, 668782, 1290170, 1671955, 2340737, 3343910, 4681474, 11703685, 16385159, 23407370, 32770318, 81925795, 163851590]

約数ペア:

[(1, 163851590), (2, 81925795), (5, 32770318), (7, 23407370), (10, 16385159), (14, 11703685), (35, 4681474), (49, 3343910), (70, 2340737), (98, 1671955), (127, 1290170), (245, 668782), (254, 645085), (490, 334391), (635, 258034), (889, 184310), (1270, 129017), (1778, 92155), (2633, 62230), (4445, 36862), (5266, 31115), (6223, 26330), (8890, 18431), (12446, 13165)]