778860272

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{1187287}}^1$

素因数の和:1187336

約数の個数: 20

約数和(自身を含む): 1545848976

約数和(自身を除く): 766988704

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 1187287, 2374574, 4749148, 9498296, 18996592, 48678767, 97357534, 194715068, 389430136, 778860272]

約数ペア:

[(1, 778860272), (2, 389430136), (4, 194715068), (8, 97357534), (16, 48678767), (41, 18996592), (82, 9498296), (164, 4749148), (328, 2374574), (656, 1187287)]