51642565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 69521760

約数和(自身を除く): 17879195

約数列:

[1, 5, 13, 37, 65, 109, 185, 197, 481, 545, 985, 1417, 2405, 2561, 4033, 7085, 7289, 12805, 20165, 21473, 36445, 52429, 94757, 107365, 262145, 279149, 473785, 794501, 1395745, 3972505, 10328513, 51642565]

約数ペア:

[(1, 51642565), (5, 10328513), (13, 3972505), (37, 1395745), (65, 794501), (109, 473785), (185, 279149), (197, 262145), (481, 107365), (545, 94757), (985, 52429), (1417, 36445), (2405, 21473), (2561, 20165), (4033, 12805), (7085, 7289)]