84547775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 118742400

約数和(自身を除く): 34194625

約数列:

[1, 5, 13, 25, 37, 65, 79, 89, 185, 325, 395, 445, 481, 925, 1027, 1157, 1975, 2225, 2405, 2923, 3293, 5135, 5785, 7031, 12025, 14615, 16465, 25675, 28925, 35155, 37999, 42809, 73075, 82325, 91403, 175775, 189995, 214045, 260147, 457015, 949975, 1070225, 1300735, 2285075, 3381911, 6503675, 16909555, 84547775]

約数ペア:

[(1, 84547775), (5, 16909555), (13, 6503675), (25, 3381911), (37, 2285075), (65, 1300735), (79, 1070225), (89, 949975), (185, 457015), (325, 260147), (395, 214045), (445, 189995), (481, 175775), (925, 91403), (1027, 82325), (1157, 73075), (1975, 42809), (2225, 37999), (2405, 35155), (2923, 28925), (3293, 25675), (5135, 16465), (5785, 14615), (7031, 12025)]