251657285

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{1097}}^1$

素因数の和:1253

約数の個数: 32

約数和(自身を含む): 340889472

約数和(自身を除く): 89232187

約数列:

[1, 5, 11, 43, 55, 97, 215, 473, 485, 1067, 1097, 2365, 4171, 5335, 5485, 12067, 20855, 45881, 47171, 60335, 106409, 229405, 235855, 518881, 532045, 1170499, 2594405, 4575587, 5852495, 22877935, 50331457, 251657285]

約数ペア:

[(1, 251657285), (5, 50331457), (11, 22877935), (43, 5852495), (55, 4575587), (97, 2594405), (215, 1170499), (473, 532045), (485, 518881), (1067, 235855), (1097, 229405), (2365, 106409), (4171, 60335), (5335, 47171), (5485, 45881), (12067, 20855)]