129031238

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2341}}^1$

素因数の和:2508

約数の個数: 32

約数和(自身を含む): 230227968

約数和(自身を除く): 101196730

約数列:

[1, 2, 7, 14, 31, 62, 127, 217, 254, 434, 889, 1778, 2341, 3937, 4682, 7874, 16387, 27559, 32774, 55118, 72571, 145142, 297307, 507997, 594614, 1015994, 2081149, 4162298, 9216517, 18433034, 64515619, 129031238]

約数ペア:

[(1, 129031238), (2, 64515619), (7, 18433034), (14, 9216517), (31, 4162298), (62, 2081149), (127, 1015994), (217, 594614), (254, 507997), (434, 297307), (889, 145142), (1778, 72571), (2341, 55118), (3937, 32774), (4682, 27559), (7874, 16387)]