31530928

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13781}}^1$

素因数の和:13813

約数の個数: 40

約数和(自身を含む): 71776656

約数和(自身を除く): 40245728

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 13781, 27562, 55124, 110248, 151591, 179153, 220496, 303182, 358306, 606364, 716612, 1212728, 1433224, 1970683, 2425456, 2866448, 3941366, 7882732, 15765464, 31530928]

約数ペア:

[(1, 31530928), (2, 15765464), (4, 7882732), (8, 3941366), (11, 2866448), (13, 2425456), (16, 1970683), (22, 1433224), (26, 1212728), (44, 716612), (52, 606364), (88, 358306), (104, 303182), (143, 220496), (176, 179153), (208, 151591), (286, 110248), (572, 55124), (1144, 27562), (2288, 13781)]