161723168

素因数分解:

$2^5\times {\mathrm{131}}^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:537

約数の個数: 48

約数和(自身を含む): 324124416

約数和(自身を除く): 162401248

約数列:

[1, 2, 4, 8, 16, 32, 131, 173, 223, 262, 346, 446, 524, 692, 892, 1048, 1384, 1784, 2096, 2768, 3568, 4192, 5536, 7136, 22663, 29213, 38579, 45326, 58426, 77158, 90652, 116852, 154316, 181304, 233704, 308632, 362608, 467408, 617264, 725216, 934816, 1234528, 5053849, 10107698, 20215396, 40430792, 80861584, 161723168]

約数ペア:

[(1, 161723168), (2, 80861584), (4, 40430792), (8, 20215396), (16, 10107698), (32, 5053849), (131, 1234528), (173, 934816), (223, 725216), (262, 617264), (346, 467408), (446, 362608), (524, 308632), (692, 233704), (892, 181304), (1048, 154316), (1384, 116852), (1784, 90652), (2096, 77158), (2768, 58426), (3568, 45326), (4192, 38579), (5536, 29213), (7136, 22663)]