217707464

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{311}}^1$

素因数の和:510

約数の個数: 64

約数和(自身を含む): 452874240

約数和(自身を除く): 235166776

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 127, 212, 254, 311, 424, 508, 622, 689, 1016, 1244, 1378, 1651, 2488, 2756, 3302, 4043, 5512, 6604, 6731, 8086, 13208, 13462, 16172, 16483, 26924, 32344, 32966, 39497, 53848, 65932, 78994, 87503, 131864, 157988, 175006, 214279, 315976, 350012, 428558, 513461, 700024, 857116, 1026922, 1714232, 2053844, 2093341, 4107688, 4186682, 8373364, 16746728, 27213433, 54426866, 108853732, 217707464]

約数ペア:

[(1, 217707464), (2, 108853732), (4, 54426866), (8, 27213433), (13, 16746728), (26, 8373364), (52, 4186682), (53, 4107688), (104, 2093341), (106, 2053844), (127, 1714232), (212, 1026922), (254, 857116), (311, 700024), (424, 513461), (508, 428558), (622, 350012), (689, 315976), (1016, 214279), (1244, 175006), (1378, 157988), (1651, 131864), (2488, 87503), (2756, 78994), (3302, 65932), (4043, 53848), (5512, 39497), (6604, 32966), (6731, 32344), (8086, 26924), (13208, 16483), (13462, 16172)]