30969976

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{457}}^1$

素因数の和:703

約数の個数: 32

約数和(自身を含む): 59851440

約数和(自身を除く): 28881464

約数列:

[1, 2, 4, 8, 43, 86, 172, 197, 344, 394, 457, 788, 914, 1576, 1828, 3656, 8471, 16942, 19651, 33884, 39302, 67768, 78604, 90029, 157208, 180058, 360116, 720232, 3871247, 7742494, 15484988, 30969976]

約数ペア:

[(1, 30969976), (2, 15484988), (4, 7742494), (8, 3871247), (43, 720232), (86, 360116), (172, 180058), (197, 157208), (344, 90029), (394, 78604), (457, 67768), (788, 39302), (914, 33884), (1576, 19651), (1828, 16942), (3656, 8471)]