64972336

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 150302880

約数和(自身を除く): 85330544

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 73, 88, 104, 143, 146, 176, 208, 286, 292, 389, 572, 584, 778, 803, 949, 1144, 1168, 1556, 1606, 1898, 2288, 3112, 3212, 3796, 4279, 5057, 6224, 6424, 7592, 8558, 10114, 10439, 12848, 15184, 17116, 20228, 20878, 28397, 34232, 40456, 41756, 55627, 56794, 68464, 80912, 83512, 111254, 113588, 167024, 222508, 227176, 312367, 369161, 445016, 454352, 624734, 738322, 890032, 1249468, 1476644, 2498936, 2953288, 4060771, 4997872, 5906576, 8121542, 16243084, 32486168, 64972336]

約数ペア:

[(1, 64972336), (2, 32486168), (4, 16243084), (8, 8121542), (11, 5906576), (13, 4997872), (16, 4060771), (22, 2953288), (26, 2498936), (44, 1476644), (52, 1249468), (73, 890032), (88, 738322), (104, 624734), (143, 454352), (146, 445016), (176, 369161), (208, 312367), (286, 227176), (292, 222508), (389, 167024), (572, 113588), (584, 111254), (778, 83512), (803, 80912), (949, 68464), (1144, 56794), (1168, 55627), (1556, 41756), (1606, 40456), (1898, 34232), (2288, 28397), (3112, 20878), (3212, 20228), (3796, 17116), (4279, 15184), (5057, 12848), (6224, 10439), (6424, 10114), (7592, 8558)]