1285291315

素因数分解:

$5^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{9733}}^1$

素因数の和:9777

約数の個数: 40

約数和(自身を含む): 1963075248

約数和(自身を除く): 677783933

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 343, 385, 539, 1715, 2401, 2695, 3773, 9733, 12005, 18865, 26411, 48665, 68131, 107063, 132055, 340655, 476917, 535315, 749441, 2384585, 3338419, 3747205, 5246087, 16692095, 23368933, 26230435, 36722609, 116844665, 183613045, 257058263, 1285291315]

約数ペア:

[(1, 1285291315), (5, 257058263), (7, 183613045), (11, 116844665), (35, 36722609), (49, 26230435), (55, 23368933), (77, 16692095), (245, 5246087), (343, 3747205), (385, 3338419), (539, 2384585), (1715, 749441), (2401, 535315), (2695, 476917), (3773, 340655), (9733, 132055), (12005, 107063), (18865, 68131), (26411, 48665)]