66747928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{2557}}^1$

素因数の和:2827

約数の個数: 32

約数和(自身を含む): 135369360

約数和(自身を除く): 68621432

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 251, 502, 1004, 2008, 2557, 3263, 5114, 6526, 10228, 13052, 20456, 26104, 33241, 66482, 132964, 265928, 641807, 1283614, 2567228, 5134456, 8343491, 16686982, 33373964, 66747928]

約数ペア:

[(1, 66747928), (2, 33373964), (4, 16686982), (8, 8343491), (13, 5134456), (26, 2567228), (52, 1283614), (104, 641807), (251, 265928), (502, 132964), (1004, 66482), (2008, 33241), (2557, 26104), (3263, 20456), (5114, 13052), (6526, 10228)]