221798448

素因数分解:

$2^4\times 3^2\times {\mathrm{491}}^1\times {\mathrm{3137}}^1$

素因数の和:3642

約数の個数: 60

約数和(自身を含む): 622190088

約数和(自身を除く): 400391640

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 491, 982, 1473, 1964, 2946, 3137, 3928, 4419, 5892, 6274, 7856, 8838, 9411, 11784, 12548, 17676, 18822, 23568, 25096, 28233, 35352, 37644, 50192, 56466, 70704, 75288, 112932, 150576, 225864, 451728, 1540267, 3080534, 4620801, 6161068, 9241602, 12322136, 13862403, 18483204, 24644272, 27724806, 36966408, 55449612, 73932816, 110899224, 221798448]

約数ペア:

[(1, 221798448), (2, 110899224), (3, 73932816), (4, 55449612), (6, 36966408), (8, 27724806), (9, 24644272), (12, 18483204), (16, 13862403), (18, 12322136), (24, 9241602), (36, 6161068), (48, 4620801), (72, 3080534), (144, 1540267), (491, 451728), (982, 225864), (1473, 150576), (1964, 112932), (2946, 75288), (3137, 70704), (3928, 56466), (4419, 50192), (5892, 37644), (6274, 35352), (7856, 28233), (8838, 25096), (9411, 23568), (11784, 18822), (12548, 17676)]