221569187021

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{853}}^1\times {\mathrm{7907}}^1$

素因数の和:8818

約数の個数: 48

約数和(自身を含む): 288182450304

約数和(自身を除く): 66613263283

約数列:

[1, 7, 13, 19, 91, 133, 247, 361, 853, 1729, 2527, 4693, 5971, 7907, 11089, 16207, 32851, 55349, 77623, 102791, 113449, 150233, 210691, 307933, 719537, 1051631, 1474837, 1953029, 2155531, 2854427, 4003129, 6744671, 13671203, 19980989, 28021903, 37107551, 47212697, 87680723, 128148749, 259752857, 613765061, 897041243, 1665933737, 2434826231, 11661536159, 17043783617, 31652741003, 221569187021]

約数ペア:

[(1, 221569187021), (7, 31652741003), (13, 17043783617), (19, 11661536159), (91, 2434826231), (133, 1665933737), (247, 897041243), (361, 613765061), (853, 259752857), (1729, 128148749), (2527, 87680723), (4693, 47212697), (5971, 37107551), (7907, 28021903), (11089, 19980989), (16207, 13671203), (32851, 6744671), (55349, 4003129), (77623, 2854427), (102791, 2155531), (113449, 1953029), (150233, 1474837), (210691, 1051631), (307933, 719537)]