155137775

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{503}}^1$

素因数の和:612

約数の個数: 36

約数和(自身を含む): 211580208

約数和(自身を除く): 56442433

約数列:

[1, 5, 13, 25, 65, 73, 169, 325, 365, 503, 845, 949, 1825, 2515, 4225, 4745, 6539, 12337, 12575, 23725, 32695, 36719, 61685, 85007, 163475, 183595, 308425, 425035, 477347, 917975, 2125175, 2386735, 6205511, 11933675, 31027555, 155137775]

約数ペア:

[(1, 155137775), (5, 31027555), (13, 11933675), (25, 6205511), (65, 2386735), (73, 2125175), (169, 917975), (325, 477347), (365, 425035), (503, 308425), (845, 183595), (949, 163475), (1825, 85007), (2515, 61685), (4225, 36719), (4745, 32695), (6539, 23725), (12337, 12575)]