31530824

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2213}}^1$

素因数の和:2369

約数の個数: 32

約数和(自身を含む): 64161720

約数和(自身を除く): 32630896

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 137, 274, 548, 1096, 1781, 2213, 3562, 4426, 7124, 8852, 14248, 17704, 28769, 57538, 115076, 230152, 303181, 606362, 1212724, 2425448, 3941353, 7882706, 15765412, 31530824]

約数ペア:

[(1, 31530824), (2, 15765412), (4, 7882706), (8, 3941353), (13, 2425448), (26, 1212724), (52, 606362), (104, 303181), (137, 230152), (274, 115076), (548, 57538), (1096, 28769), (1781, 17704), (2213, 14248), (3562, 8852), (4426, 7124)]