30811978

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:294

約数の個数: 32

約数和(自身を含む): 49766400

約数和(自身を除く): 18954422

約数列:

[1, 2, 29, 47, 58, 89, 94, 127, 178, 254, 1363, 2581, 2726, 3683, 4183, 5162, 5969, 7366, 8366, 11303, 11938, 22606, 121307, 173101, 242614, 327787, 346202, 531241, 655574, 1062482, 15405989, 30811978]

約数ペア:

[(1, 30811978), (2, 15405989), (29, 1062482), (47, 655574), (58, 531241), (89, 346202), (94, 327787), (127, 242614), (178, 173101), (254, 121307), (1363, 22606), (2581, 11938), (2726, 11303), (3683, 8366), (4183, 7366), (5162, 5969)]