2791490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:326

約数の個数: 32

約数和(自身を含む): 5488560

約数和(自身を除く): 2697070

約数列:

[1, 2, 5, 10, 13, 26, 65, 109, 130, 197, 218, 394, 545, 985, 1090, 1417, 1970, 2561, 2834, 5122, 7085, 12805, 14170, 21473, 25610, 42946, 107365, 214730, 279149, 558298, 1395745, 2791490]

約数ペア:

[(1, 2791490), (2, 1395745), (5, 558298), (10, 279149), (13, 214730), (26, 107365), (65, 42946), (109, 25610), (130, 21473), (197, 14170), (218, 12805), (394, 7085), (545, 5122), (985, 2834), (1090, 2561), (1417, 1970)]