39941902

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 81865728

約数和(自身を除く): 41923826

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 71, 77, 91, 142, 143, 154, 182, 281, 286, 497, 562, 781, 923, 994, 1001, 1562, 1846, 1967, 2002, 3091, 3653, 3934, 5467, 6182, 6461, 7306, 10153, 10934, 12922, 19951, 20306, 21637, 25571, 39902, 40183, 43274, 51142, 71071, 80366, 139657, 142142, 219461, 259363, 279314, 281281, 438922, 518726, 562562, 1536227, 1815541, 2852993, 3072454, 3631082, 5705986, 19970951, 39941902]

約数ペア:

[(1, 39941902), (2, 19970951), (7, 5705986), (11, 3631082), (13, 3072454), (14, 2852993), (22, 1815541), (26, 1536227), (71, 562562), (77, 518726), (91, 438922), (142, 281281), (143, 279314), (154, 259363), (182, 219461), (281, 142142), (286, 139657), (497, 80366), (562, 71071), (781, 51142), (923, 43274), (994, 40183), (1001, 39902), (1562, 25571), (1846, 21637), (1967, 20306), (2002, 19951), (3091, 12922), (3653, 10934), (3934, 10153), (5467, 7306), (6182, 6461)]