28033408

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{991}}^1$

素因数の和:1035

約数の個数: 64

約数和(自身を含む): 63745920

約数和(自身を除く): 35712512

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 208, 221, 272, 416, 442, 544, 832, 884, 991, 1088, 1664, 1768, 1982, 2176, 3536, 3964, 7072, 7928, 12883, 14144, 15856, 16847, 25766, 28288, 31712, 33694, 51532, 63424, 67388, 103064, 126848, 134776, 206128, 219011, 269552, 412256, 438022, 539104, 824512, 876044, 1078208, 1649024, 1752088, 2156416, 3504176, 7008352, 14016704, 28033408]

約数ペア:

[(1, 28033408), (2, 14016704), (4, 7008352), (8, 3504176), (13, 2156416), (16, 1752088), (17, 1649024), (26, 1078208), (32, 876044), (34, 824512), (52, 539104), (64, 438022), (68, 412256), (104, 269552), (128, 219011), (136, 206128), (208, 134776), (221, 126848), (272, 103064), (416, 67388), (442, 63424), (544, 51532), (832, 33694), (884, 31712), (991, 28288), (1088, 25766), (1664, 16847), (1768, 15856), (1982, 14144), (2176, 12883), (3536, 7928), (3964, 7072)]