28555904

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{131}}^2$

素因数の和:289

約数の個数: 48

約数和(自身を含む): 61736010

約数和(自身を除く): 33180106

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 131, 208, 262, 416, 524, 832, 1048, 1664, 1703, 2096, 3406, 4192, 6812, 8384, 13624, 16768, 17161, 27248, 34322, 54496, 68644, 108992, 137288, 217984, 223093, 274576, 446186, 549152, 892372, 1098304, 1784744, 2196608, 3569488, 7138976, 14277952, 28555904]

約数ペア:

[(1, 28555904), (2, 14277952), (4, 7138976), (8, 3569488), (13, 2196608), (16, 1784744), (26, 1098304), (32, 892372), (52, 549152), (64, 446186), (104, 274576), (128, 223093), (131, 217984), (208, 137288), (262, 108992), (416, 68644), (524, 54496), (832, 34322), (1048, 27248), (1664, 17161), (1703, 16768), (2096, 13624), (3406, 8384), (4192, 6812)]