678989898

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{409}}^1\times {\mathrm{433}}^1$

素因数の和:924

約数の個数: 64

約数和(自身を含む): 1537401600

約数和(自身を除く): 858411702

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 409, 426, 433, 639, 818, 866, 1227, 1278, 1299, 1917, 2454, 2598, 3681, 3834, 3897, 7362, 7794, 11043, 11691, 22086, 23382, 29039, 30743, 58078, 61486, 87117, 92229, 174234, 177097, 184458, 261351, 276687, 354194, 522702, 531291, 553374, 784053, 830061, 1062582, 1568106, 1593873, 1660122, 3187746, 4781619, 9563238, 12573887, 25147774, 37721661, 75443322, 113164983, 226329966, 339494949, 678989898]

約数ペア:

[(1, 678989898), (2, 339494949), (3, 226329966), (6, 113164983), (9, 75443322), (18, 37721661), (27, 25147774), (54, 12573887), (71, 9563238), (142, 4781619), (213, 3187746), (409, 1660122), (426, 1593873), (433, 1568106), (639, 1062582), (818, 830061), (866, 784053), (1227, 553374), (1278, 531291), (1299, 522702), (1917, 354194), (2454, 276687), (2598, 261351), (3681, 184458), (3834, 177097), (3897, 174234), (7362, 92229), (7794, 87117), (11043, 61486), (11691, 58078), (22086, 30743), (23382, 29039)]