161781172

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{1097}}^1$

素因数の和:1360

約数の個数: 48

約数和(自身を含む): 339413760

約数和(自身を除く): 177632588

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 229, 322, 458, 644, 916, 1097, 1603, 2194, 3206, 4388, 5267, 6412, 7679, 10534, 15358, 21068, 25231, 30716, 36869, 50462, 73738, 100924, 147476, 176617, 251213, 353234, 502426, 706468, 1004852, 1758491, 3516982, 5777899, 7033964, 11555798, 23111596, 40445293, 80890586, 161781172]

約数ペア:

[(1, 161781172), (2, 80890586), (4, 40445293), (7, 23111596), (14, 11555798), (23, 7033964), (28, 5777899), (46, 3516982), (92, 1758491), (161, 1004852), (229, 706468), (322, 502426), (458, 353234), (644, 251213), (916, 176617), (1097, 147476), (1603, 100924), (2194, 73738), (3206, 50462), (4388, 36869), (5267, 30716), (6412, 25231), (7679, 21068), (10534, 15358)]