217465638

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2788021}}^1$

素因数の和:2788039

約数の個数: 16

約数和(自身を含む): 468387696

約数和(自身を除く): 250922058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 2788021, 5576042, 8364063, 16728126, 36244273, 72488546, 108732819, 217465638]

約数ペア:

[(1, 217465638), (2, 108732819), (3, 72488546), (6, 36244273), (13, 16728126), (26, 8364063), (39, 5576042), (78, 2788021)]