291235868

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{1283}}^1$

素因数の和:1383

約数の個数: 72

約数和(自身を含む): 650299776

約数和(自身を除く): 359063908

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 67, 77, 121, 134, 154, 242, 268, 308, 469, 484, 737, 847, 938, 1283, 1474, 1694, 1876, 2566, 2948, 3388, 5132, 5159, 8107, 8981, 10318, 14113, 16214, 17962, 20636, 28226, 32428, 35924, 56452, 56749, 85961, 98791, 113498, 155243, 171922, 197582, 226996, 310486, 343844, 395164, 601727, 620972, 945571, 1086701, 1203454, 1891142, 2173402, 2406908, 3782284, 4346804, 6618997, 10401281, 13237994, 20802562, 26475988, 41605124, 72808967, 145617934, 291235868]

約数ペア:

[(1, 291235868), (2, 145617934), (4, 72808967), (7, 41605124), (11, 26475988), (14, 20802562), (22, 13237994), (28, 10401281), (44, 6618997), (67, 4346804), (77, 3782284), (121, 2406908), (134, 2173402), (154, 1891142), (242, 1203454), (268, 1086701), (308, 945571), (469, 620972), (484, 601727), (737, 395164), (847, 343844), (938, 310486), (1283, 226996), (1474, 197582), (1694, 171922), (1876, 155243), (2566, 113498), (2948, 98791), (3388, 85961), (5132, 56749), (5159, 56452), (8107, 35924), (8981, 32428), (10318, 28226), (14113, 20636), (16214, 17962)]