264217681

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{409}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 337971200

約数和(自身を除く): 73753519

約数列:

[1, 7, 13, 31, 91, 217, 229, 403, 409, 1603, 2821, 2863, 2977, 5317, 7099, 12679, 20839, 37219, 49693, 88753, 92287, 93661, 164827, 646009, 655627, 1153789, 1217593, 2903491, 8523151, 20324437, 37745383, 264217681]

約数ペア:

[(1, 264217681), (7, 37745383), (13, 20324437), (31, 8523151), (91, 2903491), (217, 1217593), (229, 1153789), (403, 655627), (409, 646009), (1603, 164827), (2821, 93661), (2863, 92287), (2977, 88753), (5317, 49693), (7099, 37219), (12679, 20839)]