256380839

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{77951}}^1$

素因数の和:77998

約数の個数: 16

約数和(自身を含む): 314302464

約数和(自身を除く): 57921625

約数列:

[1, 11, 13, 23, 143, 253, 299, 3289, 77951, 857461, 1013363, 1792873, 11146993, 19721603, 23307349, 256380839]

約数ペア:

[(1, 256380839), (11, 23307349), (13, 19721603), (23, 11146993), (143, 1792873), (253, 1013363), (299, 857461), (3289, 77951)]