398590956

素因数分解:

$2^2\times 3^6\times {\mathrm{136691}}^1$

素因数の和:136713

約数の個数: 42

約数和(自身を含む): 1045830492

約数和(自身を除く): 647239536

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2916, 136691, 273382, 410073, 546764, 820146, 1230219, 1640292, 2460438, 3690657, 4920876, 7381314, 11071971, 14762628, 22143942, 33215913, 44287884, 66431826, 99647739, 132863652, 199295478, 398590956]

約数ペア:

[(1, 398590956), (2, 199295478), (3, 132863652), (4, 99647739), (6, 66431826), (9, 44287884), (12, 33215913), (18, 22143942), (27, 14762628), (36, 11071971), (54, 7381314), (81, 4920876), (108, 3690657), (162, 2460438), (243, 1640292), (324, 1230219), (486, 820146), (729, 546764), (972, 410073), (1458, 273382), (2916, 136691)]