81190548

素因数分解:

$2^2\times 3^2\times {\mathrm{557}}^1\times {\mathrm{4049}}^1$

素因数の和:4616

約数の個数: 36

約数和(自身を含む): 205650900

約数和(自身を除く): 124460352

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 557, 1114, 1671, 2228, 3342, 4049, 5013, 6684, 8098, 10026, 12147, 16196, 20052, 24294, 36441, 48588, 72882, 145764, 2255293, 4510586, 6765879, 9021172, 13531758, 20297637, 27063516, 40595274, 81190548]

約数ペア:

[(1, 81190548), (2, 40595274), (3, 27063516), (4, 20297637), (6, 13531758), (9, 9021172), (12, 6765879), (18, 4510586), (36, 2255293), (557, 145764), (1114, 72882), (1671, 48588), (2228, 36441), (3342, 24294), (4049, 20052), (5013, 16196), (6684, 12147), (8098, 10026)]