215177816

素因数分解:

$2^3\times 7^2\times {\mathrm{97}}^1\times {\mathrm{5659}}^1$

素因数の和:5776

約数の個数: 48

約数和(自身を含む): 474251400

約数和(自身を除く): 259073584

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 97, 98, 194, 196, 388, 392, 679, 776, 1358, 2716, 4753, 5432, 5659, 9506, 11318, 19012, 22636, 38024, 39613, 45272, 79226, 158452, 277291, 316904, 548923, 554582, 1097846, 1109164, 2195692, 2218328, 3842461, 4391384, 7684922, 15369844, 26897227, 30739688, 53794454, 107588908, 215177816]

約数ペア:

[(1, 215177816), (2, 107588908), (4, 53794454), (7, 30739688), (8, 26897227), (14, 15369844), (28, 7684922), (49, 4391384), (56, 3842461), (97, 2218328), (98, 2195692), (194, 1109164), (196, 1097846), (388, 554582), (392, 548923), (679, 316904), (776, 277291), (1358, 158452), (2716, 79226), (4753, 45272), (5432, 39613), (5659, 38024), (9506, 22636), (11318, 19012)]