28407745690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1171}}^1\times {\mathrm{127681}}^1$

素因数の和:128878

約数の個数: 32

約数和(自身を含む): 53871589440

約数和(自身を除く): 25463843750

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 1171, 2342, 5855, 11710, 22249, 44498, 111245, 127681, 222490, 255362, 638405, 1276810, 2425939, 4851878, 12129695, 24259390, 149514451, 299028902, 747572255, 1495144510, 2840774569, 5681549138, 14203872845, 28407745690]

約数ペア:

[(1, 28407745690), (2, 14203872845), (5, 5681549138), (10, 2840774569), (19, 1495144510), (38, 747572255), (95, 299028902), (190, 149514451), (1171, 24259390), (2342, 12129695), (5855, 4851878), (11710, 2425939), (22249, 1276810), (44498, 638405), (111245, 255362), (127681, 222490)]