289180892

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72223}}^1$

素因数の和:72258

約数の個数: 48

約数和(自身を含む): 679483392

約数和(自身を除く): 390302500

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, 72223, 144446, 288892, 505561, 794453, 938899, 1011122, 1588906, 1877798, 2022244, 3177812, 3755596, 5561171, 6572293, 10327889, 11122342, 13144586, 20655778, 22244684, 26289172, 41311556, 72295223, 144590446, 289180892]

約数ペア:

[(1, 289180892), (2, 144590446), (4, 72295223), (7, 41311556), (11, 26289172), (13, 22244684), (14, 20655778), (22, 13144586), (26, 11122342), (28, 10327889), (44, 6572293), (52, 5561171), (77, 3755596), (91, 3177812), (143, 2022244), (154, 1877798), (182, 1588906), (286, 1011122), (308, 938899), (364, 794453), (572, 505561), (1001, 288892), (2002, 144446), (4004, 72223)]