28378238642

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{1777}}^1$

素因数の和:2115

約数の個数: 64

約数和(自身を含む): 47873887488

約数和(自身を除く): 19495648846

約数列:

[1, 2, 13, 26, 41, 71, 82, 142, 211, 422, 533, 923, 1066, 1777, 1846, 2743, 2911, 3554, 5486, 5822, 8651, 14981, 17302, 23101, 29962, 37843, 46202, 72857, 75686, 112463, 126167, 145714, 194753, 224926, 252334, 374947, 389506, 614221, 749894, 947141, 1228442, 1640171, 1894282, 3280342, 4874311, 5172847, 7984873, 9748622, 10345694, 15372827, 15969746, 26621237, 30745654, 53242474, 67247011, 134494022, 199846751, 346076081, 399693502, 692152162, 1091470717, 2182941434, 14189119321, 28378238642]

約数ペア:

[(1, 28378238642), (2, 14189119321), (13, 2182941434), (26, 1091470717), (41, 692152162), (71, 399693502), (82, 346076081), (142, 199846751), (211, 134494022), (422, 67247011), (533, 53242474), (923, 30745654), (1066, 26621237), (1777, 15969746), (1846, 15372827), (2743, 10345694), (2911, 9748622), (3554, 7984873), (5486, 5172847), (5822, 4874311), (8651, 3280342), (14981, 1894282), (17302, 1640171), (23101, 1228442), (29962, 947141), (37843, 749894), (46202, 614221), (72857, 389506), (75686, 374947), (112463, 252334), (126167, 224926), (145714, 194753)]