78409628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{653}}^1\times {\mathrm{2729}}^1$

素因数の和:3397

約数の個数: 24

約数和(自身を含む): 149975280

約数和(自身を除く): 71565652

約数列:

[1, 2, 4, 11, 22, 44, 653, 1306, 2612, 2729, 5458, 7183, 10916, 14366, 28732, 30019, 60038, 120076, 1782037, 3564074, 7128148, 19602407, 39204814, 78409628]

約数ペア:

[(1, 78409628), (2, 39204814), (4, 19602407), (11, 7128148), (22, 3564074), (44, 1782037), (653, 120076), (1306, 60038), (2612, 30019), (2729, 28732), (5458, 14366), (7183, 10916)]