155738221

素因数分解:

${\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1\times {\mathrm{509}}^1$

素因数の和:836

約数の個数: 16

約数和(自身を含む): 166561920

約数和(自身を除く): 10823699

約数列:

[1, 23, 53, 251, 509, 1219, 5773, 11707, 13303, 26977, 127759, 305969, 620471, 2938457, 6771227, 155738221]

約数ペア:

[(1, 155738221), (23, 6771227), (53, 2938457), (251, 620471), (509, 305969), (1219, 127759), (5773, 26977), (11707, 13303)]