207978678

素因数分解:

$2^1\times 3^4\times {\mathrm{53}}^1\times {\mathrm{24223}}^1$

素因数の和:24290

約数の個数: 40

約数和(自身を含む): 474838848

約数和(自身を除く): 266860170

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 81, 106, 159, 162, 318, 477, 954, 1431, 2862, 4293, 8586, 24223, 48446, 72669, 145338, 218007, 436014, 654021, 1283819, 1308042, 1962063, 2567638, 3851457, 3924126, 7702914, 11554371, 23108742, 34663113, 69326226, 103989339, 207978678]

約数ペア:

[(1, 207978678), (2, 103989339), (3, 69326226), (6, 34663113), (9, 23108742), (18, 11554371), (27, 7702914), (53, 3924126), (54, 3851457), (81, 2567638), (106, 1962063), (159, 1308042), (162, 1283819), (318, 654021), (477, 436014), (954, 218007), (1431, 145338), (2862, 72669), (4293, 48446), (8586, 24223)]