981371408

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{1495993}}^1$

素因数の和:1496042

約数の個数: 20

約数和(自身を含む): 1947784188

約数和(自身を除く): 966412780

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 1495993, 2991986, 5983972, 11967944, 23935888, 61335713, 122671426, 245342852, 490685704, 981371408]

約数ペア:

[(1, 981371408), (2, 490685704), (4, 245342852), (8, 122671426), (16, 61335713), (41, 23935888), (82, 11967944), (164, 5983972), (328, 2991986), (656, 1495993)]