72818473

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{311}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 93929472

約数和(自身を除く): 21110999

約数列:

[1, 7, 13, 31, 83, 91, 217, 311, 403, 581, 1079, 2177, 2573, 2821, 4043, 7553, 9641, 18011, 25813, 28301, 33449, 67487, 125333, 180691, 234143, 335569, 800203, 877331, 2348983, 5601421, 10402639, 72818473]

約数ペア:

[(1, 72818473), (7, 10402639), (13, 5601421), (31, 2348983), (83, 877331), (91, 800203), (217, 335569), (311, 234143), (403, 180691), (581, 125333), (1079, 67487), (2177, 33449), (2573, 28301), (2821, 25813), (4043, 18011), (7553, 9641)]