64324216

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 136857600

約数和(自身を除く): 72533384

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 89, 172, 178, 191, 344, 356, 382, 473, 712, 764, 946, 979, 1528, 1892, 1958, 2101, 3784, 3827, 3916, 4202, 7654, 7832, 8213, 8404, 15308, 16426, 16808, 16999, 30616, 32852, 33998, 42097, 65704, 67996, 84194, 90343, 135992, 168388, 180686, 186989, 336776, 361372, 373978, 722744, 730957, 747956, 1461914, 1495912, 2923828, 5847656, 8040527, 16081054, 32162108, 64324216]

約数ペア:

[(1, 64324216), (2, 32162108), (4, 16081054), (8, 8040527), (11, 5847656), (22, 2923828), (43, 1495912), (44, 1461914), (86, 747956), (88, 730957), (89, 722744), (172, 373978), (178, 361372), (191, 336776), (344, 186989), (356, 180686), (382, 168388), (473, 135992), (712, 90343), (764, 84194), (946, 67996), (979, 65704), (1528, 42097), (1892, 33998), (1958, 32852), (2101, 30616), (3784, 16999), (3827, 16808), (3916, 16426), (4202, 15308), (7654, 8404), (7832, 8213)]