198498412

素因数分解:

$2^2\times 7^2\times {\mathrm{397}}^1\times {\mathrm{2551}}^1$

素因数の和:2966

約数の個数: 36

約数和(自身を含む): 405262704

約数和(自身を除く): 206764292

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 397, 794, 1588, 2551, 2779, 5102, 5558, 10204, 11116, 17857, 19453, 35714, 38906, 71428, 77812, 124999, 249998, 499996, 1012747, 2025494, 4050988, 7089229, 14178458, 28356916, 49624603, 99249206, 198498412]

約数ペア:

[(1, 198498412), (2, 99249206), (4, 49624603), (7, 28356916), (14, 14178458), (28, 7089229), (49, 4050988), (98, 2025494), (196, 1012747), (397, 499996), (794, 249998), (1588, 124999), (2551, 77812), (2779, 71428), (5102, 38906), (5558, 35714), (10204, 19453), (11116, 17857)]