168936145

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{1181}}^1$

素因数の和:1321

約数の個数: 32

約数和(自身を含む): 239198976

約数和(自身を除く): 70262831

約数列:

[1, 5, 7, 35, 61, 67, 305, 335, 427, 469, 1181, 2135, 2345, 4087, 5905, 8267, 20435, 28609, 41335, 72041, 79127, 143045, 360205, 395635, 504287, 553889, 2521435, 2769445, 4826747, 24133735, 33787229, 168936145]

約数ペア:

[(1, 168936145), (5, 33787229), (7, 24133735), (35, 4826747), (61, 2769445), (67, 2521435), (305, 553889), (335, 504287), (427, 395635), (469, 360205), (1181, 143045), (2135, 79127), (2345, 72041), (4087, 41335), (5905, 28609), (8267, 20435)]