261569296

素因数分解:

$2^4\times {\mathrm{229}}^1\times {\mathrm{71389}}^1$

素因数の和:71626

約数の個数: 20

約数和(自身を含む): 509010700

約数和(自身を除く): 247441404

約数列:

[1, 2, 4, 8, 16, 229, 458, 916, 1832, 3664, 71389, 142778, 285556, 571112, 1142224, 16348081, 32696162, 65392324, 130784648, 261569296]

約数ペア:

[(1, 261569296), (2, 130784648), (4, 65392324), (8, 32696162), (16, 16348081), (229, 1142224), (458, 571112), (916, 285556), (1832, 142778), (3664, 71389)]