2019979577

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1283}}^1$

素因数の和:1458

約数の個数: 48

約数和(自身を含む): 2698002432

約数和(自身を除く): 678022855

約数列:

[1, 7, 11, 23, 49, 77, 127, 161, 253, 539, 889, 1127, 1283, 1397, 1771, 2921, 6223, 8981, 9779, 12397, 14113, 20447, 29509, 32131, 62867, 68453, 98791, 143129, 162941, 206563, 224917, 324599, 691537, 1140587, 1445941, 1574419, 1792351, 2272193, 3747643, 7984109, 12546457, 15905351, 26233501, 41224073, 87825199, 183634507, 288568511, 2019979577]

約数ペア:

[(1, 2019979577), (7, 288568511), (11, 183634507), (23, 87825199), (49, 41224073), (77, 26233501), (127, 15905351), (161, 12546457), (253, 7984109), (539, 3747643), (889, 2272193), (1127, 1792351), (1283, 1574419), (1397, 1445941), (1771, 1140587), (2921, 691537), (6223, 324599), (8981, 224917), (9779, 206563), (12397, 162941), (14113, 143129), (20447, 98791), (29509, 68453), (32131, 62867)]