28672985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 39481344

約数和(自身を除く): 10808359

約数列:

[1, 5, 11, 31, 55, 67, 155, 251, 335, 341, 737, 1255, 1705, 2077, 2761, 3685, 7781, 10385, 13805, 16817, 22847, 38905, 84085, 85591, 114235, 184987, 427955, 521327, 924935, 2606635, 5734597, 28672985]

約数ペア:

[(1, 28672985), (5, 5734597), (11, 2606635), (31, 924935), (55, 521327), (67, 427955), (155, 184987), (251, 114235), (335, 85591), (341, 84085), (737, 38905), (1255, 22847), (1705, 16817), (2077, 13805), (2761, 10385), (3685, 7781)]