520048542

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1\times {\mathrm{491}}^1$

素因数の和:913

約数の個数: 64

約数和(自身を含む): 1155861504

約数和(自身を除く): 635812962

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 367, 481, 491, 734, 962, 982, 1101, 1443, 1473, 2202, 2886, 2946, 4771, 6383, 9542, 12766, 13579, 14313, 18167, 19149, 27158, 28626, 36334, 38298, 40737, 54501, 81474, 109002, 176527, 180197, 236171, 353054, 360394, 472342, 529581, 540591, 708513, 1059162, 1081182, 1417026, 2342561, 4685122, 6667289, 7027683, 13334578, 14055366, 20001867, 40003734, 86674757, 173349514, 260024271, 520048542]

約数ペア:

[(1, 520048542), (2, 260024271), (3, 173349514), (6, 86674757), (13, 40003734), (26, 20001867), (37, 14055366), (39, 13334578), (74, 7027683), (78, 6667289), (111, 4685122), (222, 2342561), (367, 1417026), (481, 1081182), (491, 1059162), (734, 708513), (962, 540591), (982, 529581), (1101, 472342), (1443, 360394), (1473, 353054), (2202, 236171), (2886, 180197), (2946, 176527), (4771, 109002), (6383, 81474), (9542, 54501), (12766, 40737), (13579, 38298), (14313, 36334), (18167, 28626), (19149, 27158)]