64978979

素因数分解:

${\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:351

約数の個数: 24

約数和(自身を含む): 74751840

約数和(自身を除く): 9772861

約数列:

[1, 13, 23, 73, 169, 229, 299, 949, 1679, 2977, 3887, 5267, 12337, 16717, 21827, 38701, 68471, 217321, 283751, 384491, 890123, 2825173, 4998383, 64978979]

約数ペア:

[(1, 64978979), (13, 4998383), (23, 2825173), (73, 890123), (169, 384491), (229, 283751), (299, 217321), (949, 68471), (1679, 38701), (2977, 21827), (3887, 16717), (5267, 12337)]