87990448

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{271}}^1$

素因数の和:522

約数の個数: 80

約数和(自身を含む): 211542016

約数和(自身を除く): 123551568

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 223, 271, 364, 446, 542, 728, 892, 1084, 1456, 1561, 1784, 1897, 2168, 2899, 3122, 3523, 3568, 3794, 4336, 5798, 6244, 7046, 7588, 11596, 12488, 14092, 15176, 20293, 23192, 24661, 24976, 28184, 30352, 40586, 46384, 49322, 56368, 60433, 81172, 98644, 120866, 162344, 197288, 241732, 324688, 394576, 423031, 483464, 785629, 846062, 966928, 1571258, 1692124, 3142516, 3384248, 5499403, 6285032, 6768496, 10998806, 12570064, 21997612, 43995224, 87990448]

約数ペア:

[(1, 87990448), (2, 43995224), (4, 21997612), (7, 12570064), (8, 10998806), (13, 6768496), (14, 6285032), (16, 5499403), (26, 3384248), (28, 3142516), (52, 1692124), (56, 1571258), (91, 966928), (104, 846062), (112, 785629), (182, 483464), (208, 423031), (223, 394576), (271, 324688), (364, 241732), (446, 197288), (542, 162344), (728, 120866), (892, 98644), (1084, 81172), (1456, 60433), (1561, 56368), (1784, 49322), (1897, 46384), (2168, 40586), (2899, 30352), (3122, 28184), (3523, 24976), (3568, 24661), (3794, 23192), (4336, 20293), (5798, 15176), (6244, 14092), (7046, 12488), (7588, 11596)]