289375552

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1481}}^1$

素因数の和:1607

約数の個数: 56

約数和(自身を含む): 596261952

約数和(自身を除く): 306886400

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 71, 86, 142, 172, 284, 344, 568, 688, 1136, 1376, 1481, 2272, 2752, 2962, 3053, 4544, 5924, 6106, 11848, 12212, 23696, 24424, 47392, 48848, 63683, 94784, 97696, 105151, 127366, 195392, 210302, 254732, 420604, 509464, 841208, 1018928, 1682416, 2037856, 3364832, 4075712, 4521493, 6729664, 9042986, 18085972, 36171944, 72343888, 144687776, 289375552]

約数ペア:

[(1, 289375552), (2, 144687776), (4, 72343888), (8, 36171944), (16, 18085972), (32, 9042986), (43, 6729664), (64, 4521493), (71, 4075712), (86, 3364832), (142, 2037856), (172, 1682416), (284, 1018928), (344, 841208), (568, 509464), (688, 420604), (1136, 254732), (1376, 210302), (1481, 195392), (2272, 127366), (2752, 105151), (2962, 97696), (3053, 94784), (4544, 63683), (5924, 48848), (6106, 47392), (11848, 24424), (12212, 23696)]