81602834

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{457}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 133662720

約数和(自身を除く): 52059886

約数列:

[1, 2, 19, 37, 38, 74, 127, 254, 457, 703, 914, 1406, 2413, 4699, 4826, 8683, 9398, 16909, 17366, 33818, 58039, 89281, 116078, 178562, 321271, 642542, 1102741, 2147443, 2205482, 4294886, 40801417, 81602834]

約数ペア:

[(1, 81602834), (2, 40801417), (19, 4294886), (37, 2205482), (38, 2147443), (74, 1102741), (127, 642542), (254, 321271), (457, 178562), (703, 116078), (914, 89281), (1406, 58039), (2413, 33818), (4699, 17366), (4826, 16909), (8683, 9398)]