28578810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{577}}^1$

素因数の和:727

約数の個数: 64

約数和(自身を含む): 74575872

約数和(自身を除く): 45997062

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 127, 130, 195, 254, 381, 390, 577, 635, 762, 1154, 1270, 1651, 1731, 1905, 2885, 3302, 3462, 3810, 4953, 5770, 7501, 8255, 8655, 9906, 15002, 16510, 17310, 22503, 24765, 37505, 45006, 49530, 73279, 75010, 112515, 146558, 219837, 225030, 366395, 439674, 732790, 952627, 1099185, 1905254, 2198370, 2857881, 4763135, 5715762, 9526270, 14289405, 28578810]

約数ペア:

[(1, 28578810), (2, 14289405), (3, 9526270), (5, 5715762), (6, 4763135), (10, 2857881), (13, 2198370), (15, 1905254), (26, 1099185), (30, 952627), (39, 732790), (65, 439674), (78, 366395), (127, 225030), (130, 219837), (195, 146558), (254, 112515), (381, 75010), (390, 73279), (577, 49530), (635, 45006), (762, 37505), (1154, 24765), (1270, 22503), (1651, 17310), (1731, 16510), (1905, 15002), (2885, 9906), (3302, 8655), (3462, 8255), (3810, 7501), (4953, 5770)]