217812448

素因数分解:

$2^5\times 7^2\times {\mathrm{31}}^1\times {\mathrm{4481}}^1$

素因数の和:4536

約数の個数: 72

約数和(自身を含む): 515035584

約数和(自身を除く): 297223136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 98, 112, 124, 196, 217, 224, 248, 392, 434, 496, 784, 868, 992, 1519, 1568, 1736, 3038, 3472, 4481, 6076, 6944, 8962, 12152, 17924, 24304, 31367, 35848, 48608, 62734, 71696, 125468, 138911, 143392, 219569, 250936, 277822, 439138, 501872, 555644, 878276, 972377, 1003744, 1111288, 1756552, 1944754, 2222576, 3513104, 3889508, 4445152, 6806639, 7026208, 7779016, 13613278, 15558032, 27226556, 31116064, 54453112, 108906224, 217812448]

約数ペア:

[(1, 217812448), (2, 108906224), (4, 54453112), (7, 31116064), (8, 27226556), (14, 15558032), (16, 13613278), (28, 7779016), (31, 7026208), (32, 6806639), (49, 4445152), (56, 3889508), (62, 3513104), (98, 2222576), (112, 1944754), (124, 1756552), (196, 1111288), (217, 1003744), (224, 972377), (248, 878276), (392, 555644), (434, 501872), (496, 439138), (784, 277822), (868, 250936), (992, 219569), (1519, 143392), (1568, 138911), (1736, 125468), (3038, 71696), (3472, 62734), (4481, 48608), (6076, 35848), (6944, 31367), (8962, 24304), (12152, 17924)]