420097616

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{19697}}^1$

素因数の和:19779

約数の個数: 40

約数和(自身を含む): 859778304

約数和(自身を除く): 439680688

約数列:

[1, 2, 4, 8, 16, 31, 43, 62, 86, 124, 172, 248, 344, 496, 688, 1333, 2666, 5332, 10664, 19697, 21328, 39394, 78788, 157576, 315152, 610607, 846971, 1221214, 1693942, 2442428, 3387884, 4884856, 6775768, 9769712, 13551536, 26256101, 52512202, 105024404, 210048808, 420097616]

約数ペア:

[(1, 420097616), (2, 210048808), (4, 105024404), (8, 52512202), (16, 26256101), (31, 13551536), (43, 9769712), (62, 6775768), (86, 4884856), (124, 3387884), (172, 2442428), (248, 1693942), (344, 1221214), (496, 846971), (688, 610607), (1333, 315152), (2666, 157576), (5332, 78788), (10664, 39394), (19697, 21328)]