31668416

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2239}}^1$

素因数の和:2281

約数の個数: 56

約数和(自身を含む): 71688960

約数和(自身を除く): 40020544

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 136, 208, 221, 272, 416, 442, 544, 832, 884, 1088, 1768, 2239, 3536, 4478, 7072, 8956, 14144, 17912, 29107, 35824, 38063, 58214, 71648, 76126, 116428, 143296, 152252, 232856, 304504, 465712, 494819, 609008, 931424, 989638, 1218016, 1862848, 1979276, 2436032, 3958552, 7917104, 15834208, 31668416]

約数ペア:

[(1, 31668416), (2, 15834208), (4, 7917104), (8, 3958552), (13, 2436032), (16, 1979276), (17, 1862848), (26, 1218016), (32, 989638), (34, 931424), (52, 609008), (64, 494819), (68, 465712), (104, 304504), (136, 232856), (208, 152252), (221, 143296), (272, 116428), (416, 76126), (442, 71648), (544, 58214), (832, 38063), (884, 35824), (1088, 29107), (1768, 17912), (2239, 14144), (3536, 8956), (4478, 7072)]