77821478

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{4139}}^1$

素因数の和:4244

約数の個数: 32

約数和(自身を含む): 143078400

約数和(自身を除く): 65256922

約数列:

[1, 2, 7, 14, 17, 34, 79, 119, 158, 238, 553, 1106, 1343, 2686, 4139, 8278, 9401, 18802, 28973, 57946, 70363, 140726, 326981, 492541, 653962, 985082, 2288867, 4577734, 5558677, 11117354, 38910739, 77821478]

約数ペア:

[(1, 77821478), (2, 38910739), (7, 11117354), (14, 5558677), (17, 4577734), (34, 2288867), (79, 985082), (119, 653962), (158, 492541), (238, 326981), (553, 140726), (1106, 70363), (1343, 57946), (2686, 28973), (4139, 18802), (8278, 9401)]