28045355

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 9694165

約数列:

[1, 5, 13, 59, 65, 71, 103, 295, 355, 515, 767, 923, 1339, 3835, 4189, 4615, 6077, 6695, 7313, 20945, 30385, 36565, 54457, 79001, 95069, 272285, 395005, 431467, 475345, 2157335, 5609071, 28045355]

約数ペア:

[(1, 28045355), (5, 5609071), (13, 2157335), (59, 475345), (65, 431467), (71, 395005), (103, 272285), (295, 95069), (355, 79001), (515, 54457), (767, 36565), (923, 30385), (1339, 20945), (3835, 7313), (4189, 6695), (4615, 6077)]