388987744

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{4799}}^1$

素因数の和:4975

約数の個数: 48

約数和(自身を含む): 816480000

約数和(自身を除く): 427492256

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 149, 272, 298, 544, 596, 1192, 2384, 2533, 4768, 4799, 5066, 9598, 10132, 19196, 20264, 38392, 40528, 76784, 81056, 81583, 153568, 163166, 326332, 652664, 715051, 1305328, 1430102, 2610656, 2860204, 5720408, 11440816, 12155867, 22881632, 24311734, 48623468, 97246936, 194493872, 388987744]

約数ペア:

[(1, 388987744), (2, 194493872), (4, 97246936), (8, 48623468), (16, 24311734), (17, 22881632), (32, 12155867), (34, 11440816), (68, 5720408), (136, 2860204), (149, 2610656), (272, 1430102), (298, 1305328), (544, 715051), (596, 652664), (1192, 326332), (2384, 163166), (2533, 153568), (4768, 81583), (4799, 81056), (5066, 76784), (9598, 40528), (10132, 38392), (19196, 20264)]