8991554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 16027200

約数和(自身を除く): 7035646

約数列:

[1, 2, 11, 13, 22, 26, 143, 149, 211, 286, 298, 422, 1639, 1937, 2321, 2743, 3278, 3874, 4642, 5486, 21307, 30173, 31439, 42614, 60346, 62878, 345829, 408707, 691658, 817414, 4495777, 8991554]

約数ペア:

[(1, 8991554), (2, 4495777), (11, 817414), (13, 691658), (22, 408707), (26, 345829), (143, 62878), (149, 60346), (211, 42614), (286, 31439), (298, 30173), (422, 21307), (1639, 5486), (1937, 4642), (2321, 3874), (2743, 3278)]