187867988

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^3\times {\mathrm{71}}^2$

素因数の和:186

約数の個数: 72

約数和(自身を含む): 419184192

約数和(自身を除く): 231316204

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 121, 142, 154, 242, 284, 308, 484, 497, 781, 847, 994, 1331, 1562, 1694, 1988, 2662, 3124, 3388, 5041, 5324, 5467, 8591, 9317, 10082, 10934, 17182, 18634, 20164, 21868, 34364, 35287, 37268, 55451, 60137, 70574, 94501, 110902, 120274, 141148, 189002, 221804, 240548, 378004, 388157, 609961, 661507, 776314, 1219922, 1323014, 1552628, 2439844, 2646028, 4269727, 6709571, 8539454, 13419142, 17078908, 26838284, 46966997, 93933994, 187867988]

約数ペア:

[(1, 187867988), (2, 93933994), (4, 46966997), (7, 26838284), (11, 17078908), (14, 13419142), (22, 8539454), (28, 6709571), (44, 4269727), (71, 2646028), (77, 2439844), (121, 1552628), (142, 1323014), (154, 1219922), (242, 776314), (284, 661507), (308, 609961), (484, 388157), (497, 378004), (781, 240548), (847, 221804), (994, 189002), (1331, 141148), (1562, 120274), (1694, 110902), (1988, 94501), (2662, 70574), (3124, 60137), (3388, 55451), (5041, 37268), (5324, 35287), (5467, 34364), (8591, 21868), (9317, 20164), (10082, 18634), (10934, 17182)]