1284394472

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{67943}}^1$

素因数の和:68105

約数の個数: 32

約数和(自身を含む): 2568283200

約数和(自身を除く): 1283888728

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 139, 278, 556, 1112, 2363, 4726, 9452, 18904, 67943, 135886, 271772, 543544, 1155031, 2310062, 4620124, 9240248, 9444077, 18888154, 37776308, 75552616, 160549309, 321098618, 642197236, 1284394472]

約数ペア:

[(1, 1284394472), (2, 642197236), (4, 321098618), (8, 160549309), (17, 75552616), (34, 37776308), (68, 18888154), (136, 9444077), (139, 9240248), (278, 4620124), (556, 2310062), (1112, 1155031), (2363, 543544), (4726, 271772), (9452, 135886), (18904, 67943)]