1279355825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{2089}}^1$

素因数の和:2258

約数の個数: 48

約数和(自身を含む): 1847292480

約数和(自身を除く): 567936655

約数列:

[1, 5, 11, 17, 25, 55, 85, 131, 187, 275, 425, 655, 935, 1441, 2089, 2227, 3275, 4675, 7205, 10445, 11135, 22979, 24497, 35513, 36025, 52225, 55675, 114895, 122485, 177565, 273659, 390643, 574475, 612425, 887825, 1368295, 1953215, 3010249, 4652203, 6841475, 9766075, 15051245, 23261015, 51174233, 75256225, 116305075, 255871165, 1279355825]

約数ペア:

[(1, 1279355825), (5, 255871165), (11, 116305075), (17, 75256225), (25, 51174233), (55, 23261015), (85, 15051245), (131, 9766075), (187, 6841475), (275, 4652203), (425, 3010249), (655, 1953215), (935, 1368295), (1441, 887825), (2089, 612425), (2227, 574475), (3275, 390643), (4675, 273659), (7205, 177565), (10445, 122485), (11135, 114895), (22979, 55675), (24497, 52225), (35513, 36025)]