13943825

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 21605760

約数和(自身を除く): 7661935

約数列:

[1, 5, 7, 17, 25, 35, 43, 85, 109, 119, 175, 215, 301, 425, 545, 595, 731, 763, 1075, 1505, 1853, 2725, 2975, 3655, 3815, 4687, 5117, 7525, 9265, 12971, 18275, 19075, 23435, 25585, 32809, 46325, 64855, 79679, 117175, 127925, 164045, 324275, 398395, 557753, 820225, 1991975, 2788765, 13943825]

約数ペア:

[(1, 13943825), (5, 2788765), (7, 1991975), (17, 820225), (25, 557753), (35, 398395), (43, 324275), (85, 164045), (109, 127925), (119, 117175), (175, 79679), (215, 64855), (301, 46325), (425, 32809), (545, 25585), (595, 23435), (731, 19075), (763, 18275), (1075, 12971), (1505, 9265), (1853, 7525), (2725, 5117), (2975, 4687), (3655, 3815)]