128971612

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{418739}}^1$

素因数の和:418761

約数の個数: 24

約数和(自身を含む): 281393280

約数和(自身を除く): 152421668

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 418739, 837478, 1674956, 2931173, 4606129, 5862346, 9212258, 11724692, 18424516, 32242903, 64485806, 128971612]

約数ペア:

[(1, 128971612), (2, 64485806), (4, 32242903), (7, 18424516), (11, 11724692), (14, 9212258), (22, 5862346), (28, 4606129), (44, 2931173), (77, 1674956), (154, 837478), (308, 418739)]