338721890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{15061}}^1$

素因数の和:15254

約数の個数: 32

約数和(自身を含む): 660438576

約数和(自身を除く): 321716686

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 173, 346, 865, 1730, 2249, 4498, 11245, 15061, 22490, 30122, 75305, 150610, 195793, 391586, 978965, 1957930, 2605553, 5211106, 13027765, 26055530, 33872189, 67744378, 169360945, 338721890]

約数ペア:

[(1, 338721890), (2, 169360945), (5, 67744378), (10, 33872189), (13, 26055530), (26, 13027765), (65, 5211106), (130, 2605553), (173, 1957930), (346, 978965), (865, 391586), (1730, 195793), (2249, 150610), (4498, 75305), (11245, 30122), (15061, 22490)]