1279132912

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{631}}^1$

素因数の和:798

約数の個数: 80

約数和(自身を含む): 2643195904

約数和(自身を除く): 1364062992

約数列:

[1, 2, 4, 8, 16, 31, 61, 62, 67, 122, 124, 134, 244, 248, 268, 488, 496, 536, 631, 976, 1072, 1262, 1891, 2077, 2524, 3782, 4087, 4154, 5048, 7564, 8174, 8308, 10096, 15128, 16348, 16616, 19561, 30256, 32696, 33232, 38491, 39122, 42277, 65392, 76982, 78244, 84554, 126697, 153964, 156488, 169108, 253394, 307928, 312976, 338216, 506788, 615856, 676432, 1013576, 1193221, 1310587, 2027152, 2386442, 2578897, 2621174, 4772884, 5157794, 5242348, 9545768, 10315588, 10484696, 19091536, 20631176, 20969392, 41262352, 79945807, 159891614, 319783228, 639566456, 1279132912]

約数ペア:

[(1, 1279132912), (2, 639566456), (4, 319783228), (8, 159891614), (16, 79945807), (31, 41262352), (61, 20969392), (62, 20631176), (67, 19091536), (122, 10484696), (124, 10315588), (134, 9545768), (244, 5242348), (248, 5157794), (268, 4772884), (488, 2621174), (496, 2578897), (536, 2386442), (631, 2027152), (976, 1310587), (1072, 1193221), (1262, 1013576), (1891, 676432), (2077, 615856), (2524, 506788), (3782, 338216), (4087, 312976), (4154, 307928), (5048, 253394), (7564, 169108), (8174, 156488), (8308, 153964), (10096, 126697), (15128, 84554), (16348, 78244), (16616, 76982), (19561, 65392), (30256, 42277), (32696, 39122), (33232, 38491)]