31081878

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{389}}^1$

素因数の和:613

約数の個数: 48

約数和(自身を含む): 70817760

約数和(自身を除く): 39735882

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 193, 207, 386, 389, 414, 579, 778, 1158, 1167, 1737, 2334, 3474, 3501, 4439, 7002, 8878, 8947, 13317, 17894, 26634, 26841, 39951, 53682, 75077, 79902, 80523, 150154, 161046, 225231, 450462, 675693, 1351386, 1726771, 3453542, 5180313, 10360626, 15540939, 31081878]

約数ペア:

[(1, 31081878), (2, 15540939), (3, 10360626), (6, 5180313), (9, 3453542), (18, 1726771), (23, 1351386), (46, 675693), (69, 450462), (138, 225231), (193, 161046), (207, 150154), (386, 80523), (389, 79902), (414, 75077), (579, 53682), (778, 39951), (1158, 26841), (1167, 26634), (1737, 17894), (2334, 13317), (3474, 8947), (3501, 8878), (4439, 7002)]