28778352

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:318

約数の個数: 80

約数和(自身を含む): 77518848

約数和(自身を除く): 48740496

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 73, 86, 129, 146, 172, 191, 219, 258, 292, 344, 382, 438, 516, 573, 584, 688, 764, 876, 1032, 1146, 1168, 1528, 1752, 2064, 2292, 3056, 3139, 3504, 4584, 6278, 8213, 9168, 9417, 12556, 13943, 16426, 18834, 24639, 25112, 27886, 32852, 37668, 41829, 49278, 50224, 55772, 65704, 75336, 83658, 98556, 111544, 131408, 150672, 167316, 197112, 223088, 334632, 394224, 599549, 669264, 1199098, 1798647, 2398196, 3597294, 4796392, 7194588, 9592784, 14389176, 28778352]

約数ペア:

[(1, 28778352), (2, 14389176), (3, 9592784), (4, 7194588), (6, 4796392), (8, 3597294), (12, 2398196), (16, 1798647), (24, 1199098), (43, 669264), (48, 599549), (73, 394224), (86, 334632), (129, 223088), (146, 197112), (172, 167316), (191, 150672), (219, 131408), (258, 111544), (292, 98556), (344, 83658), (382, 75336), (438, 65704), (516, 55772), (573, 50224), (584, 49278), (688, 41829), (764, 37668), (876, 32852), (1032, 27886), (1146, 25112), (1168, 24639), (1528, 18834), (1752, 16426), (2064, 13943), (2292, 12556), (3056, 9417), (3139, 9168), (3504, 8213), (4584, 6278)]