861228

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{509}}^1$

素因数の和:566

約数の個数: 36

約数和(自身を含む): 2227680

約数和(自身を除く): 1366452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 509, 564, 846, 1018, 1527, 1692, 2036, 3054, 4581, 6108, 9162, 18324, 23923, 47846, 71769, 95692, 143538, 215307, 287076, 430614, 861228]

約数ペア:

[(1, 861228), (2, 430614), (3, 287076), (4, 215307), (6, 143538), (9, 95692), (12, 71769), (18, 47846), (36, 23923), (47, 18324), (94, 9162), (141, 6108), (188, 4581), (282, 3054), (423, 2036), (509, 1692), (564, 1527), (846, 1018)]