287672315

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{2039}}^1$

素因数の和:2219

約数の個数: 32

約数和(自身を含む): 411264000

約数和(自身を除く): 123591685

約数列:

[1, 5, 7, 29, 35, 139, 145, 203, 695, 973, 1015, 2039, 4031, 4865, 10195, 14273, 20155, 28217, 59131, 71365, 141085, 283421, 295655, 413917, 1417105, 1983947, 2069585, 8219209, 9919735, 41096045, 57534463, 287672315]

約数ペア:

[(1, 287672315), (5, 57534463), (7, 41096045), (29, 9919735), (35, 8219209), (139, 2069585), (145, 1983947), (203, 1417105), (695, 413917), (973, 295655), (1015, 283421), (2039, 141085), (4031, 71365), (4865, 59131), (10195, 28217), (14273, 20155)]