399778932

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{128629}}^1$

素因数の和:128680

約数の個数: 48

約数和(自身を含む): 1094898560

約数和(自身を除く): 695119628

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 777, 1036, 1554, 3108, 128629, 257258, 385887, 514516, 771774, 900403, 1543548, 1800806, 2701209, 3601612, 4759273, 5402418, 9518546, 10804836, 14277819, 19037092, 28555638, 33314911, 57111276, 66629822, 99944733, 133259644, 199889466, 399778932]

約数ペア:

[(1, 399778932), (2, 199889466), (3, 133259644), (4, 99944733), (6, 66629822), (7, 57111276), (12, 33314911), (14, 28555638), (21, 19037092), (28, 14277819), (37, 10804836), (42, 9518546), (74, 5402418), (84, 4759273), (111, 3601612), (148, 2701209), (222, 1800806), (259, 1543548), (444, 900403), (518, 771774), (777, 514516), (1036, 385887), (1554, 257258), (3108, 128629)]