690197648

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{324341}}^1$

素因数の和:324375

約数の個数: 40

約数和(自身を含む): 1608736320

約数和(自身を除く): 918538672

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 324341, 648682, 1297364, 2270387, 2594728, 4540774, 5189456, 6162479, 9081548, 12324958, 18163096, 24649916, 36326192, 43137353, 49299832, 86274706, 98599664, 172549412, 345098824, 690197648]

約数ペア:

[(1, 690197648), (2, 345098824), (4, 172549412), (7, 98599664), (8, 86274706), (14, 49299832), (16, 43137353), (19, 36326192), (28, 24649916), (38, 18163096), (56, 12324958), (76, 9081548), (112, 6162479), (133, 5189456), (152, 4540774), (266, 2594728), (304, 2270387), (532, 1297364), (1064, 648682), (2128, 324341)]