81648588

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{20681}}^1$

素因数の和:20742

約数の個数: 48

約数和(自身を含む): 222372864

約数和(自身を除く): 140724276

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 141, 188, 282, 329, 564, 658, 987, 1316, 1974, 3948, 20681, 41362, 62043, 82724, 124086, 144767, 248172, 289534, 434301, 579068, 868602, 972007, 1737204, 1944014, 2916021, 3888028, 5832042, 6804049, 11664084, 13608098, 20412147, 27216196, 40824294, 81648588]

約数ペア:

[(1, 81648588), (2, 40824294), (3, 27216196), (4, 20412147), (6, 13608098), (7, 11664084), (12, 6804049), (14, 5832042), (21, 3888028), (28, 2916021), (42, 1944014), (47, 1737204), (84, 972007), (94, 868602), (141, 579068), (188, 434301), (282, 289534), (329, 248172), (564, 144767), (658, 124086), (987, 82724), (1316, 62043), (1974, 41362), (3948, 20681)]