28896868

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1031}}^1$

素因数の和:1073

約数の個数: 72

約数和(自身を含む): 69177024

約数和(自身を除く): 40280156

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 77, 91, 98, 143, 154, 182, 196, 286, 308, 364, 539, 572, 637, 1001, 1031, 1078, 1274, 2002, 2062, 2156, 2548, 4004, 4124, 7007, 7217, 11341, 13403, 14014, 14434, 22682, 26806, 28028, 28868, 45364, 50519, 53612, 79387, 93821, 101038, 147433, 158774, 187642, 202076, 294866, 317548, 375284, 555709, 589732, 656747, 1032031, 1111418, 1313494, 2064062, 2222836, 2626988, 4128124, 7224217, 14448434, 28896868]

約数ペア:

[(1, 28896868), (2, 14448434), (4, 7224217), (7, 4128124), (11, 2626988), (13, 2222836), (14, 2064062), (22, 1313494), (26, 1111418), (28, 1032031), (44, 656747), (49, 589732), (52, 555709), (77, 375284), (91, 317548), (98, 294866), (143, 202076), (154, 187642), (182, 158774), (196, 147433), (286, 101038), (308, 93821), (364, 79387), (539, 53612), (572, 50519), (637, 45364), (1001, 28868), (1031, 28028), (1078, 26806), (1274, 22682), (2002, 14434), (2062, 14014), (2156, 13403), (2548, 11341), (4004, 7217), (4124, 7007)]