388637584

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{419}}^1\times {\mathrm{1999}}^1$

素因数の和:2455

約数の個数: 40

約数和(自身を含む): 781200000

約数和(自身を除く): 392562416

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 419, 464, 838, 1676, 1999, 3352, 3998, 6704, 7996, 12151, 15992, 24302, 31984, 48604, 57971, 97208, 115942, 194416, 231884, 463768, 837581, 927536, 1675162, 3350324, 6700648, 13401296, 24289849, 48579698, 97159396, 194318792, 388637584]

約数ペア:

[(1, 388637584), (2, 194318792), (4, 97159396), (8, 48579698), (16, 24289849), (29, 13401296), (58, 6700648), (116, 3350324), (232, 1675162), (419, 927536), (464, 837581), (838, 463768), (1676, 231884), (1999, 194416), (3352, 115942), (3998, 97208), (6704, 57971), (7996, 48604), (12151, 31984), (15992, 24302)]