208889285

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1423}}^1$

素因数の和:1613

約数の個数: 32

約数和(自身を含む): 291589632

約数和(自身を除く): 82700347

約数列:

[1, 5, 11, 17, 55, 85, 157, 187, 785, 935, 1423, 1727, 2669, 7115, 8635, 13345, 15653, 24191, 29359, 78265, 120955, 146795, 223411, 266101, 1117055, 1330505, 2457521, 3797987, 12287605, 18989935, 41777857, 208889285]

約数ペア:

[(1, 208889285), (5, 41777857), (11, 18989935), (17, 12287605), (55, 3797987), (85, 2457521), (157, 1330505), (187, 1117055), (785, 266101), (935, 223411), (1423, 146795), (1727, 120955), (2669, 78265), (7115, 29359), (8635, 24191), (13345, 15653)]