205657116

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{397}}^1\times {\mathrm{881}}^1$

素因数の和:1299

約数の個数: 72

約数和(自身を含む): 560253456

約数和(自身を除く): 354596340

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 397, 588, 794, 881, 1191, 1588, 1762, 2382, 2643, 2779, 3524, 4764, 5286, 5558, 6167, 8337, 10572, 11116, 12334, 16674, 18501, 19453, 24668, 33348, 37002, 38906, 43169, 58359, 74004, 77812, 86338, 116718, 129507, 172676, 233436, 259014, 349757, 518028, 699514, 1049271, 1399028, 2098542, 2448299, 4197084, 4896598, 7344897, 9793196, 14689794, 17138093, 29379588, 34276186, 51414279, 68552372, 102828558, 205657116]

約数ペア:

[(1, 205657116), (2, 102828558), (3, 68552372), (4, 51414279), (6, 34276186), (7, 29379588), (12, 17138093), (14, 14689794), (21, 9793196), (28, 7344897), (42, 4896598), (49, 4197084), (84, 2448299), (98, 2098542), (147, 1399028), (196, 1049271), (294, 699514), (397, 518028), (588, 349757), (794, 259014), (881, 233436), (1191, 172676), (1588, 129507), (1762, 116718), (2382, 86338), (2643, 77812), (2779, 74004), (3524, 58359), (4764, 43169), (5286, 38906), (5558, 37002), (6167, 33348), (8337, 24668), (10572, 19453), (11116, 18501), (12334, 16674)]