213780478

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{541}}^1$

素因数の和:724

約数の個数: 32

約数和(自身を含む): 338728320

約数和(自身を除く): 124947842

約数列:

[1, 2, 41, 61, 79, 82, 122, 158, 541, 1082, 2501, 3239, 4819, 5002, 6478, 9638, 22181, 33001, 42739, 44362, 66002, 85478, 197579, 395158, 1353041, 1752299, 2607079, 2706082, 3504598, 5214158, 106890239, 213780478]

約数ペア:

[(1, 213780478), (2, 106890239), (41, 5214158), (61, 3504598), (79, 2706082), (82, 2607079), (122, 1752299), (158, 1353041), (541, 395158), (1082, 197579), (2501, 85478), (3239, 66002), (4819, 44362), (5002, 42739), (6478, 33001), (9638, 22181)]