208192656

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{619621}}^1$

素因数の和:619639

約数の個数: 40

約数和(自身を含む): 614665024

約数和(自身を除く): 406472368

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 619621, 1239242, 1858863, 2478484, 3717726, 4337347, 4956968, 7435452, 8674694, 9913936, 13012041, 14870904, 17349388, 26024082, 29741808, 34698776, 52048164, 69397552, 104096328, 208192656]

約数ペア:

[(1, 208192656), (2, 104096328), (3, 69397552), (4, 52048164), (6, 34698776), (7, 29741808), (8, 26024082), (12, 17349388), (14, 14870904), (16, 13012041), (21, 9913936), (24, 8674694), (28, 7435452), (42, 4956968), (48, 4337347), (56, 3717726), (84, 2478484), (112, 1858863), (168, 1239242), (336, 619621)]