128699312

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{307}}^1$

素因数の和:538

約数の個数: 80

約数和(自身を含む): 302480640

約数和(自身を除く): 173781328

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 197, 266, 304, 307, 394, 532, 614, 788, 1064, 1228, 1379, 1576, 2128, 2149, 2456, 2758, 3152, 3743, 4298, 4912, 5516, 5833, 7486, 8596, 11032, 11666, 14972, 17192, 22064, 23332, 26201, 29944, 34384, 40831, 46664, 52402, 59888, 60479, 81662, 93328, 104804, 120958, 163324, 209608, 241916, 326648, 419216, 423353, 483832, 653296, 846706, 967664, 1149101, 1693412, 2298202, 3386824, 4596404, 6773648, 8043707, 9192808, 16087414, 18385616, 32174828, 64349656, 128699312]

約数ペア:

[(1, 128699312), (2, 64349656), (4, 32174828), (7, 18385616), (8, 16087414), (14, 9192808), (16, 8043707), (19, 6773648), (28, 4596404), (38, 3386824), (56, 2298202), (76, 1693412), (112, 1149101), (133, 967664), (152, 846706), (197, 653296), (266, 483832), (304, 423353), (307, 419216), (394, 326648), (532, 241916), (614, 209608), (788, 163324), (1064, 120958), (1228, 104804), (1379, 93328), (1576, 81662), (2128, 60479), (2149, 59888), (2456, 52402), (2758, 46664), (3152, 40831), (3743, 34384), (4298, 29944), (4912, 26201), (5516, 23332), (5833, 22064), (7486, 17192), (8596, 14972), (11032, 11666)]