205123490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{143443}}^1$

素因数の和:143474

約数の個数: 32

約数和(自身を含む): 433774656

約数和(自身を除く): 228651166

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 143443, 286886, 717215, 1434430, 1577873, 1864759, 3155746, 3729518, 7889365, 9323795, 15778730, 18647590, 20512349, 41024698, 102561745, 205123490]

約数ペア:

[(1, 205123490), (2, 102561745), (5, 41024698), (10, 20512349), (11, 18647590), (13, 15778730), (22, 9323795), (26, 7889365), (55, 3729518), (65, 3155746), (110, 1864759), (130, 1577873), (143, 1434430), (286, 717215), (715, 286886), (1430, 143443)]