7491016

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 16934400

約数和(自身を除く): 9443384

約数列:

[1, 2, 4, 8, 13, 17, 19, 26, 34, 38, 52, 68, 76, 104, 136, 152, 221, 223, 247, 323, 442, 446, 494, 646, 884, 892, 988, 1292, 1768, 1784, 1976, 2584, 2899, 3791, 4199, 4237, 5798, 7582, 8398, 8474, 11596, 15164, 16796, 16948, 23192, 30328, 33592, 33896, 49283, 55081, 72029, 98566, 110162, 144058, 197132, 220324, 288116, 394264, 440648, 576232, 936377, 1872754, 3745508, 7491016]

約数ペア:

[(1, 7491016), (2, 3745508), (4, 1872754), (8, 936377), (13, 576232), (17, 440648), (19, 394264), (26, 288116), (34, 220324), (38, 197132), (52, 144058), (68, 110162), (76, 98566), (104, 72029), (136, 55081), (152, 49283), (221, 33896), (223, 33592), (247, 30328), (323, 23192), (442, 16948), (446, 16796), (494, 15164), (646, 11596), (884, 8474), (892, 8398), (988, 7582), (1292, 5798), (1768, 4237), (1784, 4199), (1976, 3791), (2584, 2899)]