80919468

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{321109}}^1$

素因数の和:321126

約数の個数: 36

約数和(自身を含む): 233768080

約数和(自身を除く): 152848612

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 321109, 642218, 963327, 1284436, 1926654, 2247763, 2889981, 3853308, 4495526, 5779962, 6743289, 8991052, 11559924, 13486578, 20229867, 26973156, 40459734, 80919468]

約数ペア:

[(1, 80919468), (2, 40459734), (3, 26973156), (4, 20229867), (6, 13486578), (7, 11559924), (9, 8991052), (12, 6743289), (14, 5779962), (18, 4495526), (21, 3853308), (28, 2889981), (36, 2247763), (42, 1926654), (63, 1284436), (84, 963327), (126, 642218), (252, 321109)]