686324992

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{947}}^1$

素因数の和:1131

約数の個数: 72

約数和(自身を含む): 1453284000

約数和(自身を除く): 766959008

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 149, 152, 256, 298, 304, 596, 608, 947, 1192, 1216, 1894, 2384, 2432, 2831, 3788, 4768, 4864, 5662, 7576, 9536, 11324, 15152, 17993, 19072, 22648, 30304, 35986, 38144, 45296, 60608, 71972, 90592, 121216, 141103, 143944, 181184, 242432, 282206, 287888, 362368, 564412, 575776, 724736, 1128824, 1151552, 2257648, 2303104, 2680957, 4515296, 4606208, 5361914, 9030592, 10723828, 18061184, 21447656, 36122368, 42895312, 85790624, 171581248, 343162496, 686324992]

約数ペア:

[(1, 686324992), (2, 343162496), (4, 171581248), (8, 85790624), (16, 42895312), (19, 36122368), (32, 21447656), (38, 18061184), (64, 10723828), (76, 9030592), (128, 5361914), (149, 4606208), (152, 4515296), (256, 2680957), (298, 2303104), (304, 2257648), (596, 1151552), (608, 1128824), (947, 724736), (1192, 575776), (1216, 564412), (1894, 362368), (2384, 287888), (2432, 282206), (2831, 242432), (3788, 181184), (4768, 143944), (4864, 141103), (5662, 121216), (7576, 90592), (9536, 71972), (11324, 60608), (15152, 45296), (17993, 38144), (19072, 35986), (22648, 30304)]