71591845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{967}}^1$

素因数の和:1069

約数の個数: 32

約数和(自身を含む): 99525888

約数和(自身を除く): 27934043

約数列:

[1, 5, 13, 17, 65, 67, 85, 221, 335, 871, 967, 1105, 1139, 4355, 4835, 5695, 12571, 14807, 16439, 62855, 64789, 74035, 82195, 213707, 323945, 842257, 1068535, 1101413, 4211285, 5507065, 14318369, 71591845]

約数ペア:

[(1, 71591845), (5, 14318369), (13, 5507065), (17, 4211285), (65, 1101413), (67, 1068535), (85, 842257), (221, 323945), (335, 213707), (871, 82195), (967, 74035), (1105, 64789), (1139, 62855), (4355, 16439), (4835, 14807), (5695, 12571)]