66639818

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{677}}^1$

素因数の和:854

約数の個数: 32

約数和(自身を含む): 117158400

約数和(自身を除く): 50518582

約数列:

[1, 2, 7, 14, 79, 89, 158, 178, 553, 623, 677, 1106, 1246, 1354, 4739, 7031, 9478, 14062, 49217, 53483, 60253, 98434, 106966, 120506, 374381, 421771, 748762, 843542, 4759987, 9519974, 33319909, 66639818]

約数ペア:

[(1, 66639818), (2, 33319909), (7, 9519974), (14, 4759987), (79, 843542), (89, 748762), (158, 421771), (178, 374381), (553, 120506), (623, 106966), (677, 98434), (1106, 60253), (1246, 53483), (1354, 49217), (4739, 14062), (7031, 9478)]