408989872

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{419047}}^1$

素因数の和:419116

約数の個数: 20

約数和(自身を含む): 805410256

約数和(自身を除く): 396420384

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 419047, 838094, 1676188, 3352376, 6704752, 25561867, 51123734, 102247468, 204494936, 408989872]

約数ペア:

[(1, 408989872), (2, 204494936), (4, 102247468), (8, 51123734), (16, 25561867), (61, 6704752), (122, 3352376), (244, 1676188), (488, 838094), (976, 419047)]