81739978

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{307}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 134120448

約数和(自身を除く): 52380470

約数列:

[1, 2, 17, 34, 41, 82, 191, 307, 382, 614, 697, 1394, 3247, 5219, 6494, 7831, 10438, 12587, 15662, 25174, 58637, 117274, 133127, 213979, 266254, 427958, 996829, 1993658, 2404117, 4808234, 40869989, 81739978]

約数ペア:

[(1, 81739978), (2, 40869989), (17, 4808234), (34, 2404117), (41, 1993658), (82, 996829), (191, 427958), (307, 266254), (382, 213979), (614, 133127), (697, 117274), (1394, 58637), (3247, 25174), (5219, 15662), (6494, 12587), (7831, 10438)]