820303484

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{204871}}^1$

素因数の和:204906

約数の個数: 48

約数和(自身を含む): 1927435776

約数和(自身を除く): 1107132292

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 204871, 409742, 819484, 1434097, 2253581, 2663323, 2868194, 4507162, 5326646, 5736388, 9014324, 10653292, 15775067, 18643261, 29296553, 31550134, 37286522, 58593106, 63100268, 74573044, 117186212, 205075871, 410151742, 820303484]

約数ペア:

[(1, 820303484), (2, 410151742), (4, 205075871), (7, 117186212), (11, 74573044), (13, 63100268), (14, 58593106), (22, 37286522), (26, 31550134), (28, 29296553), (44, 18643261), (52, 15775067), (77, 10653292), (91, 9014324), (143, 5736388), (154, 5326646), (182, 4507162), (286, 2868194), (308, 2663323), (364, 2253581), (572, 1434097), (1001, 819484), (2002, 409742), (4004, 204871)]