31643872

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:156

約数の個数: 96

約数和(自身を含む): 72182880

約数和(自身を除く): 40539008

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 43, 52, 58, 61, 86, 104, 116, 122, 172, 208, 232, 244, 344, 377, 416, 464, 488, 559, 688, 754, 793, 928, 976, 1118, 1247, 1376, 1508, 1586, 1769, 1952, 2236, 2494, 2623, 3016, 3172, 3538, 4472, 4988, 5246, 6032, 6344, 7076, 8944, 9976, 10492, 12064, 12688, 14152, 16211, 17888, 19952, 20984, 22997, 25376, 28304, 32422, 34099, 39904, 41968, 45994, 56608, 64844, 68198, 76067, 83936, 91988, 129688, 136396, 152134, 183976, 259376, 272792, 304268, 367952, 518752, 545584, 608536, 735904, 988871, 1091168, 1217072, 1977742, 2434144, 3955484, 7910968, 15821936, 31643872]

約数ペア:

[(1, 31643872), (2, 15821936), (4, 7910968), (8, 3955484), (13, 2434144), (16, 1977742), (26, 1217072), (29, 1091168), (32, 988871), (43, 735904), (52, 608536), (58, 545584), (61, 518752), (86, 367952), (104, 304268), (116, 272792), (122, 259376), (172, 183976), (208, 152134), (232, 136396), (244, 129688), (344, 91988), (377, 83936), (416, 76067), (464, 68198), (488, 64844), (559, 56608), (688, 45994), (754, 41968), (793, 39904), (928, 34099), (976, 32422), (1118, 28304), (1247, 25376), (1376, 22997), (1508, 20984), (1586, 19952), (1769, 17888), (1952, 16211), (2236, 14152), (2494, 12688), (2623, 12064), (3016, 10492), (3172, 9976), (3538, 8944), (4472, 7076), (4988, 6344), (5246, 6032)]