28993328

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19913}}^1$

素因数の和:19941

約数の個数: 40

約数和(自身を含む): 69141408

約数和(自身を除く): 40148080

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 19913, 39826, 79652, 139391, 159304, 258869, 278782, 318608, 517738, 557564, 1035476, 1115128, 1812083, 2070952, 2230256, 3624166, 4141904, 7248332, 14496664, 28993328]

約数ペア:

[(1, 28993328), (2, 14496664), (4, 7248332), (7, 4141904), (8, 3624166), (13, 2230256), (14, 2070952), (16, 1812083), (26, 1115128), (28, 1035476), (52, 557564), (56, 517738), (91, 318608), (104, 278782), (112, 258869), (182, 159304), (208, 139391), (364, 79652), (728, 39826), (1456, 19913)]