2781212

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1399}}^1$

素因数の和:1481

約数の個数: 24

約数和(自身を含む): 5644800

約数和(自身を除く): 2863588

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1399, 1988, 2798, 5596, 9793, 19586, 39172, 99329, 198658, 397316, 695303, 1390606, 2781212]

約数ペア:

[(1, 2781212), (2, 1390606), (4, 695303), (7, 397316), (14, 198658), (28, 99329), (71, 39172), (142, 19586), (284, 9793), (497, 5596), (994, 2798), (1399, 1988)]