2151664

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{1511}}^1$

素因数の和:1608

約数の個数: 20

約数和(自身を含む): 4218480

約数和(自身を除く): 2066816

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 1511, 3022, 6044, 12088, 24176, 134479, 268958, 537916, 1075832, 2151664]

約数ペア:

[(1, 2151664), (2, 1075832), (4, 537916), (8, 268958), (16, 134479), (89, 24176), (178, 12088), (356, 6044), (712, 3022), (1424, 1511)]