28472735

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 38223360

約数和(自身を除く): 9750625

約数列:

[1, 5, 19, 23, 83, 95, 115, 157, 415, 437, 785, 1577, 1909, 2185, 2983, 3611, 7885, 9545, 13031, 14915, 18055, 36271, 65155, 68609, 181355, 247589, 299713, 343045, 1237945, 1498565, 5694547, 28472735]

約数ペア:

[(1, 28472735), (5, 5694547), (19, 1498565), (23, 1237945), (83, 343045), (95, 299713), (115, 247589), (157, 181355), (415, 68609), (437, 65155), (785, 36271), (1577, 18055), (1909, 14915), (2185, 13031), (2983, 9545), (3611, 7885)]