65517704

素因数分解:

$2^3\times 7^2\times {\mathrm{397}}^1\times {\mathrm{421}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 143602380

約数和(自身を除く): 78084676

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 397, 421, 794, 842, 1588, 1684, 2779, 2947, 3176, 3368, 5558, 5894, 11116, 11788, 19453, 20629, 22232, 23576, 38906, 41258, 77812, 82516, 155624, 165032, 167137, 334274, 668548, 1169959, 1337096, 2339918, 4679836, 8189713, 9359672, 16379426, 32758852, 65517704]

約数ペア:

[(1, 65517704), (2, 32758852), (4, 16379426), (7, 9359672), (8, 8189713), (14, 4679836), (28, 2339918), (49, 1337096), (56, 1169959), (98, 668548), (196, 334274), (392, 167137), (397, 165032), (421, 155624), (794, 82516), (842, 77812), (1588, 41258), (1684, 38906), (2779, 23576), (2947, 22232), (3176, 20629), (3368, 19453), (5558, 11788), (5894, 11116)]