28542085

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 14358395

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 121, 143, 191, 209, 247, 605, 715, 955, 1045, 1235, 1573, 2101, 2299, 2483, 2717, 3629, 7865, 10505, 11495, 12415, 13585, 18145, 23111, 27313, 29887, 39919, 47177, 115555, 136565, 149435, 199595, 235885, 300443, 439109, 518947, 1502215, 2195545, 2594735, 5708417, 28542085]

約数ペア:

[(1, 28542085), (5, 5708417), (11, 2594735), (13, 2195545), (19, 1502215), (55, 518947), (65, 439109), (95, 300443), (121, 235885), (143, 199595), (191, 149435), (209, 136565), (247, 115555), (605, 47177), (715, 39919), (955, 29887), (1045, 27313), (1235, 23111), (1573, 18145), (2101, 13585), (2299, 12415), (2483, 11495), (2717, 10505), (3629, 7865)]