218216552

素因数分解:

$2^3\times {\mathrm{389}}^1\times {\mathrm{70121}}^1$

素因数の和:70516

約数の個数: 16

約数和(自身を含む): 410213700

約数和(自身を除く): 191997148

約数列:

[1, 2, 4, 8, 389, 778, 1556, 3112, 70121, 140242, 280484, 560968, 27277069, 54554138, 109108276, 218216552]

約数ペア:

[(1, 218216552), (2, 109108276), (4, 54554138), (8, 27277069), (389, 560968), (778, 280484), (1556, 140242), (3112, 70121)]