201655122

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1999}}^1$

素因数の和:2087

約数の個数: 64

約数和(自身を含む): 456192000

約数和(自身を除く): 254536878

約数列:

[1, 2, 3, 6, 17, 23, 34, 43, 46, 51, 69, 86, 102, 129, 138, 258, 391, 731, 782, 989, 1173, 1462, 1978, 1999, 2193, 2346, 2967, 3998, 4386, 5934, 5997, 11994, 16813, 33626, 33983, 45977, 50439, 67966, 85957, 91954, 100878, 101949, 137931, 171914, 203898, 257871, 275862, 515742, 781609, 1461269, 1563218, 1977011, 2344827, 2922538, 3954022, 4383807, 4689654, 5931033, 8767614, 11862066, 33609187, 67218374, 100827561, 201655122]

約数ペア:

[(1, 201655122), (2, 100827561), (3, 67218374), (6, 33609187), (17, 11862066), (23, 8767614), (34, 5931033), (43, 4689654), (46, 4383807), (51, 3954022), (69, 2922538), (86, 2344827), (102, 1977011), (129, 1563218), (138, 1461269), (258, 781609), (391, 515742), (731, 275862), (782, 257871), (989, 203898), (1173, 171914), (1462, 137931), (1978, 101949), (1999, 100878), (2193, 91954), (2346, 85957), (2967, 67966), (3998, 50439), (4386, 45977), (5934, 33983), (5997, 33626), (11994, 16813)]