291380336

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{197}}^1\times {\mathrm{547}}^1$

素因数の和:778

約数の個数: 60

約数和(自身を含む): 615543192

約数和(自身を除く): 324162856

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 197, 208, 338, 394, 547, 676, 788, 1094, 1352, 1576, 2188, 2561, 2704, 3152, 4376, 5122, 7111, 8752, 10244, 14222, 20488, 28444, 33293, 40976, 56888, 66586, 92443, 107759, 113776, 133172, 184886, 215518, 266344, 369772, 431036, 532688, 739544, 862072, 1400867, 1479088, 1724144, 2801734, 5603468, 11206936, 18211271, 22413872, 36422542, 72845084, 145690168, 291380336]

約数ペア:

[(1, 291380336), (2, 145690168), (4, 72845084), (8, 36422542), (13, 22413872), (16, 18211271), (26, 11206936), (52, 5603468), (104, 2801734), (169, 1724144), (197, 1479088), (208, 1400867), (338, 862072), (394, 739544), (547, 532688), (676, 431036), (788, 369772), (1094, 266344), (1352, 215518), (1576, 184886), (2188, 133172), (2561, 113776), (2704, 107759), (3152, 92443), (4376, 66586), (5122, 56888), (7111, 40976), (8752, 33293), (10244, 28444), (14222, 20488)]