15678907856

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{179}}^1\times {\mathrm{61511}}^1$

素因数の和:61787

約数の個数: 40

約数和(自身を含む): 30891326400

約数和(自身を除く): 15212418544

約数列:

[1, 2, 4, 8, 16, 89, 178, 179, 356, 358, 712, 716, 1424, 1432, 2864, 15931, 31862, 61511, 63724, 123022, 127448, 246044, 254896, 492088, 984176, 5474479, 10948958, 11010469, 21897916, 22020938, 43795832, 44041876, 87591664, 88083752, 176167504, 979931741, 1959863482, 3919726964, 7839453928, 15678907856]

約数ペア:

[(1, 15678907856), (2, 7839453928), (4, 3919726964), (8, 1959863482), (16, 979931741), (89, 176167504), (178, 88083752), (179, 87591664), (356, 44041876), (358, 43795832), (712, 22020938), (716, 21897916), (1424, 11010469), (1432, 10948958), (2864, 5474479), (15931, 984176), (31862, 492088), (61511, 254896), (63724, 246044), (123022, 127448)]