217817568

素因数分解:

$2^5\times 3^2\times {\mathrm{487}}^1\times {\mathrm{1553}}^1$

素因数の和:2056

約数の個数: 72

約数和(自身を含む): 621090288

約数和(自身を除く): 403272720

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 487, 974, 1461, 1553, 1948, 2922, 3106, 3896, 4383, 4659, 5844, 6212, 7792, 8766, 9318, 11688, 12424, 13977, 15584, 17532, 18636, 23376, 24848, 27954, 35064, 37272, 46752, 49696, 55908, 70128, 74544, 111816, 140256, 149088, 223632, 447264, 756311, 1512622, 2268933, 3025244, 4537866, 6050488, 6806799, 9075732, 12100976, 13613598, 18151464, 24201952, 27227196, 36302928, 54454392, 72605856, 108908784, 217817568]

約数ペア:

[(1, 217817568), (2, 108908784), (3, 72605856), (4, 54454392), (6, 36302928), (8, 27227196), (9, 24201952), (12, 18151464), (16, 13613598), (18, 12100976), (24, 9075732), (32, 6806799), (36, 6050488), (48, 4537866), (72, 3025244), (96, 2268933), (144, 1512622), (288, 756311), (487, 447264), (974, 223632), (1461, 149088), (1553, 140256), (1948, 111816), (2922, 74544), (3106, 70128), (3896, 55908), (4383, 49696), (4659, 46752), (5844, 37272), (6212, 35064), (7792, 27954), (8766, 24848), (9318, 23376), (11688, 18636), (12424, 17532), (13977, 15584)]