661964364

素因数分解:

$2^2\times 3^2\times {\mathrm{947}}^1\times {\mathrm{19417}}^1$

素因数の和:20374

約数の個数: 36

約数和(自身を含む): 1675152024

約数和(自身を除く): 1013187660

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 947, 1894, 2841, 3788, 5682, 8523, 11364, 17046, 19417, 34092, 38834, 58251, 77668, 116502, 174753, 233004, 349506, 699012, 18387899, 36775798, 55163697, 73551596, 110327394, 165491091, 220654788, 330982182, 661964364]

約数ペア:

[(1, 661964364), (2, 330982182), (3, 220654788), (4, 165491091), (6, 110327394), (9, 73551596), (12, 55163697), (18, 36775798), (36, 18387899), (947, 699012), (1894, 349506), (2841, 233004), (3788, 174753), (5682, 116502), (8523, 77668), (11364, 58251), (17046, 38834), (19417, 34092)]