219626825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{431}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 318193920

約数和(自身を除く): 98567095

約数列:

[1, 5, 11, 17, 25, 55, 85, 109, 187, 275, 425, 431, 545, 935, 1199, 1853, 2155, 2725, 4675, 4741, 5995, 7327, 9265, 10775, 20383, 23705, 29975, 36635, 46325, 46979, 80597, 101915, 118525, 183175, 234895, 402985, 509575, 516769, 798643, 1174475, 2014925, 2583845, 3993215, 8785073, 12919225, 19966075, 43925365, 219626825]

約数ペア:

[(1, 219626825), (5, 43925365), (11, 19966075), (17, 12919225), (25, 8785073), (55, 3993215), (85, 2583845), (109, 2014925), (187, 1174475), (275, 798643), (425, 516769), (431, 509575), (545, 402985), (935, 234895), (1199, 183175), (1853, 118525), (2155, 101915), (2725, 80597), (4675, 46979), (4741, 46325), (5995, 36635), (7327, 29975), (9265, 23705), (10775, 20383)]