28155335

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:587

約数の個数: 32

約数和(自身を含む): 39070080

約数和(自身を除く): 10914745

約数列:

[1, 5, 13, 23, 37, 65, 115, 185, 299, 481, 509, 851, 1495, 2405, 2545, 4255, 6617, 11063, 11707, 18833, 33085, 55315, 58535, 94165, 152191, 244829, 433159, 760955, 1224145, 2165795, 5631067, 28155335]

約数ペア:

[(1, 28155335), (5, 5631067), (13, 2165795), (23, 1224145), (37, 760955), (65, 433159), (115, 244829), (185, 152191), (299, 94165), (481, 58535), (509, 55315), (851, 33085), (1495, 18833), (2405, 11707), (2545, 11063), (4255, 6617)]