30657928

素因数分解:

$2^3\times 7^2\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:614

約数の個数: 48

約数和(自身を含む): 67377420

約数和(自身を除く): 36719492

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 197, 392, 394, 397, 788, 794, 1379, 1576, 1588, 2758, 2779, 3176, 5516, 5558, 9653, 11032, 11116, 19306, 19453, 22232, 38612, 38906, 77224, 77812, 78209, 155624, 156418, 312836, 547463, 625672, 1094926, 2189852, 3832241, 4379704, 7664482, 15328964, 30657928]

約数ペア:

[(1, 30657928), (2, 15328964), (4, 7664482), (7, 4379704), (8, 3832241), (14, 2189852), (28, 1094926), (49, 625672), (56, 547463), (98, 312836), (196, 156418), (197, 155624), (392, 78209), (394, 77812), (397, 77224), (788, 38906), (794, 38612), (1379, 22232), (1576, 19453), (1588, 19306), (2758, 11116), (2779, 11032), (3176, 9653), (5516, 5558)]