64819139

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{7723}}^1$

素因数の和:7850

約数の個数: 16

約数和(自身を含む): 81565440

約数和(自身を除く): 16746301

約数列:

[1, 7, 11, 77, 109, 763, 1199, 7723, 8393, 54061, 84953, 594671, 841807, 5892649, 9259877, 64819139]

約数ペア:

[(1, 64819139), (7, 9259877), (11, 5892649), (77, 841807), (109, 594671), (763, 84953), (1199, 54061), (7723, 8393)]