129920128

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{479}}^1$

素因数の和:669

約数の個数: 64

約数和(自身を含む): 281030400

約数和(自身を除く): 151110272

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 163, 208, 326, 416, 479, 652, 832, 958, 1304, 1664, 1916, 2119, 2608, 3832, 4238, 5216, 6227, 7664, 8476, 10432, 12454, 15328, 16952, 20864, 24908, 30656, 33904, 49816, 61312, 67808, 78077, 99632, 135616, 156154, 199264, 271232, 312308, 398528, 624616, 797056, 1015001, 1249232, 2030002, 2498464, 4060004, 4996928, 8120008, 9993856, 16240016, 32480032, 64960064, 129920128]

約数ペア:

[(1, 129920128), (2, 64960064), (4, 32480032), (8, 16240016), (13, 9993856), (16, 8120008), (26, 4996928), (32, 4060004), (52, 2498464), (64, 2030002), (104, 1249232), (128, 1015001), (163, 797056), (208, 624616), (326, 398528), (416, 312308), (479, 271232), (652, 199264), (832, 156154), (958, 135616), (1304, 99632), (1664, 78077), (1916, 67808), (2119, 61312), (2608, 49816), (3832, 33904), (4238, 30656), (5216, 24908), (6227, 20864), (7664, 16952), (8476, 15328), (10432, 12454)]