201391105

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{6977}}^1$

素因数の和:7256

約数の個数: 16

約数和(自身を含む): 253217664

約数和(自身を除く): 51826559

約数列:

[1, 5, 23, 115, 251, 1255, 5773, 6977, 28865, 34885, 160471, 802355, 1751227, 8756135, 40278221, 201391105]

約数ペア:

[(1, 201391105), (5, 40278221), (23, 8756135), (115, 1751227), (251, 802355), (1255, 160471), (5773, 34885), (6977, 28865)]