11986975

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 19998720

約数和(自身を除く): 8011745

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 143, 175, 275, 325, 385, 455, 479, 715, 1001, 1925, 2275, 2395, 3353, 3575, 5005, 5269, 6227, 11975, 16765, 25025, 26345, 31135, 36883, 43589, 68497, 83825, 131725, 155675, 184415, 217945, 342485, 479479, 922075, 1089725, 1712425, 2397395, 11986975]

約数ペア:

[(1, 11986975), (5, 2397395), (7, 1712425), (11, 1089725), (13, 922075), (25, 479479), (35, 342485), (55, 217945), (65, 184415), (77, 155675), (91, 131725), (143, 83825), (175, 68497), (275, 43589), (325, 36883), (385, 31135), (455, 26345), (479, 25025), (715, 16765), (1001, 11975), (1925, 6227), (2275, 5269), (2395, 5005), (3353, 3575)]