257428272

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{653}}^1$

素因数の和:898

約数の個数: 80

約数和(自身を含む): 685099008

約数和(自身を除く): 427670736

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 191, 258, 344, 382, 516, 573, 653, 688, 764, 1032, 1146, 1306, 1528, 1959, 2064, 2292, 2612, 3056, 3918, 4584, 5224, 7836, 8213, 9168, 10448, 15672, 16426, 24639, 28079, 31344, 32852, 49278, 56158, 65704, 84237, 98556, 112316, 124723, 131408, 168474, 197112, 224632, 249446, 336948, 374169, 394224, 449264, 498892, 673896, 748338, 997784, 1347792, 1496676, 1995568, 2993352, 5363089, 5986704, 10726178, 16089267, 21452356, 32178534, 42904712, 64357068, 85809424, 128714136, 257428272]

約数ペア:

[(1, 257428272), (2, 128714136), (3, 85809424), (4, 64357068), (6, 42904712), (8, 32178534), (12, 21452356), (16, 16089267), (24, 10726178), (43, 5986704), (48, 5363089), (86, 2993352), (129, 1995568), (172, 1496676), (191, 1347792), (258, 997784), (344, 748338), (382, 673896), (516, 498892), (573, 449264), (653, 394224), (688, 374169), (764, 336948), (1032, 249446), (1146, 224632), (1306, 197112), (1528, 168474), (1959, 131408), (2064, 124723), (2292, 112316), (2612, 98556), (3056, 84237), (3918, 65704), (4584, 56158), (5224, 49278), (7836, 32852), (8213, 31344), (9168, 28079), (10448, 24639), (15672, 16426)]