997388912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{2221}}^1$

素因数の和:2386

約数の個数: 80

約数和(自身を含む): 2221857792

約数和(自身を除く): 1224468880

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 127, 136, 208, 221, 254, 272, 442, 508, 884, 1016, 1651, 1768, 2032, 2159, 2221, 3302, 3536, 4318, 4442, 6604, 8636, 8884, 13208, 17272, 17768, 26416, 28067, 28873, 34544, 35536, 37757, 56134, 57746, 75514, 112268, 115492, 151028, 224536, 230984, 282067, 302056, 449072, 461968, 490841, 564134, 604112, 981682, 1128268, 1963364, 2256536, 3666871, 3926728, 4513072, 4795139, 7333742, 7853456, 9590278, 14667484, 19180556, 29334968, 38361112, 58669936, 62336807, 76722224, 124673614, 249347228, 498694456, 997388912]

約数ペア:

[(1, 997388912), (2, 498694456), (4, 249347228), (8, 124673614), (13, 76722224), (16, 62336807), (17, 58669936), (26, 38361112), (34, 29334968), (52, 19180556), (68, 14667484), (104, 9590278), (127, 7853456), (136, 7333742), (208, 4795139), (221, 4513072), (254, 3926728), (272, 3666871), (442, 2256536), (508, 1963364), (884, 1128268), (1016, 981682), (1651, 604112), (1768, 564134), (2032, 490841), (2159, 461968), (2221, 449072), (3302, 302056), (3536, 282067), (4318, 230984), (4442, 224536), (6604, 151028), (8636, 115492), (8884, 112268), (13208, 75514), (17272, 57746), (17768, 56134), (26416, 37757), (28067, 35536), (28873, 34544)]