217079863

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{947}}^1$

素因数の和:1207

約数の個数: 32

約数和(自身を含む): 293045760

約数和(自身を除く): 75965897

約数列:

[1, 7, 11, 13, 77, 91, 143, 229, 947, 1001, 1603, 2519, 2977, 6629, 10417, 12311, 17633, 20839, 32747, 72919, 86177, 135421, 216863, 229229, 947947, 1518041, 2385493, 2819219, 16698451, 19734533, 31011409, 217079863]

約数ペア:

[(1, 217079863), (7, 31011409), (11, 19734533), (13, 16698451), (77, 2819219), (91, 2385493), (143, 1518041), (229, 947947), (947, 229229), (1001, 216863), (1603, 135421), (2519, 86177), (2977, 72919), (6629, 32747), (10417, 20839), (12311, 17633)]