217447888

素因数分解:

$2^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:465

約数の個数: 120

約数和(自身を含む): 529251840

約数和(自身を除く): 311803952

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 31, 46, 49, 56, 62, 92, 98, 112, 124, 161, 184, 196, 217, 248, 322, 368, 389, 392, 434, 496, 644, 713, 778, 784, 868, 1127, 1288, 1426, 1519, 1556, 1736, 2254, 2576, 2723, 2852, 3038, 3112, 3472, 4508, 4991, 5446, 5704, 6076, 6224, 8947, 9016, 9982, 10892, 11408, 12059, 12152, 17894, 18032, 19061, 19964, 21784, 24118, 24304, 34937, 35788, 38122, 39928, 43568, 48236, 62629, 69874, 71576, 76244, 79856, 84413, 96472, 125258, 139748, 143152, 152488, 168826, 192944, 250516, 277357, 279496, 304976, 337652, 438403, 501032, 554714, 558992, 590891, 675304, 876806, 1002064, 1109428, 1181782, 1350608, 1753612, 1941499, 2218856, 2363564, 3507224, 3882998, 4437712, 4727128, 7014448, 7765996, 9454256, 13590493, 15531992, 27180986, 31063984, 54361972, 108723944, 217447888]

約数ペア:

[(1, 217447888), (2, 108723944), (4, 54361972), (7, 31063984), (8, 27180986), (14, 15531992), (16, 13590493), (23, 9454256), (28, 7765996), (31, 7014448), (46, 4727128), (49, 4437712), (56, 3882998), (62, 3507224), (92, 2363564), (98, 2218856), (112, 1941499), (124, 1753612), (161, 1350608), (184, 1181782), (196, 1109428), (217, 1002064), (248, 876806), (322, 675304), (368, 590891), (389, 558992), (392, 554714), (434, 501032), (496, 438403), (644, 337652), (713, 304976), (778, 279496), (784, 277357), (868, 250516), (1127, 192944), (1288, 168826), (1426, 152488), (1519, 143152), (1556, 139748), (1736, 125258), (2254, 96472), (2576, 84413), (2723, 79856), (2852, 76244), (3038, 71576), (3112, 69874), (3472, 62629), (4508, 48236), (4991, 43568), (5446, 39928), (5704, 38122), (6076, 35788), (6224, 34937), (8947, 24304), (9016, 24118), (9982, 21784), (10892, 19964), (11408, 19061), (12059, 18032), (12152, 17894)]