81425946

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{419}}^1\times {\mathrm{661}}^1$

素因数の和:1099

約数の個数: 48

約数和(自身を含む): 190179360

約数和(自身を除く): 108753414

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 419, 661, 838, 1257, 1322, 1983, 2514, 2933, 3966, 4627, 5866, 8799, 9254, 13881, 17598, 20531, 27762, 32389, 41062, 61593, 64778, 97167, 123186, 194334, 276959, 553918, 830877, 1661754, 1938713, 3877426, 5816139, 11632278, 13570991, 27141982, 40712973, 81425946]

約数ペア:

[(1, 81425946), (2, 40712973), (3, 27141982), (6, 13570991), (7, 11632278), (14, 5816139), (21, 3877426), (42, 1938713), (49, 1661754), (98, 830877), (147, 553918), (294, 276959), (419, 194334), (661, 123186), (838, 97167), (1257, 64778), (1322, 61593), (1983, 41062), (2514, 32389), (2933, 27762), (3966, 20531), (4627, 17598), (5866, 13881), (8799, 9254)]