201821605904

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{406898399}}^1$

素因数の和:406898438

約数の個数: 20

約数和(自身を含む): 403643212800

約数和(自身を除く): 201821606896

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 406898399, 813796798, 1627593596, 3255187192, 6510374384, 12613850369, 25227700738, 50455401476, 100910802952, 201821605904]

約数ペア:

[(1, 201821605904), (2, 100910802952), (4, 50455401476), (8, 25227700738), (16, 12613850369), (31, 6510374384), (62, 3255187192), (124, 1627593596), (248, 813796798), (496, 406898399)]