2151569168

素因数分解:

$2^4\times 7^1\times {\mathrm{173}}^1\times {\mathrm{111043}}^1$

素因数の和:111231

約数の個数: 40

約数和(自身を含む): 4791770688

約数和(自身を除く): 2640201520

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 173, 346, 692, 1211, 1384, 2422, 2768, 4844, 9688, 19376, 111043, 222086, 444172, 777301, 888344, 1554602, 1776688, 3109204, 6218408, 12436816, 19210439, 38420878, 76841756, 134473073, 153683512, 268946146, 307367024, 537892292, 1075784584, 2151569168]

約数ペア:

[(1, 2151569168), (2, 1075784584), (4, 537892292), (7, 307367024), (8, 268946146), (14, 153683512), (16, 134473073), (28, 76841756), (56, 38420878), (112, 19210439), (173, 12436816), (346, 6218408), (692, 3109204), (1211, 1776688), (1384, 1554602), (2422, 888344), (2768, 777301), (4844, 444172), (9688, 222086), (19376, 111043)]