161720258

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1\times {\mathrm{691}}^1$

素因数の和:1002

約数の個数: 32

約数和(自身を含む): 282668160

約数和(自身を除く): 120947902

約数列:

[1, 2, 7, 14, 73, 146, 229, 458, 511, 691, 1022, 1382, 1603, 3206, 4837, 9674, 16717, 33434, 50443, 100886, 117019, 158239, 234038, 316478, 353101, 706202, 1107673, 2215346, 11551447, 23102894, 80860129, 161720258]

約数ペア:

[(1, 161720258), (2, 80860129), (7, 23102894), (14, 11551447), (73, 2215346), (146, 1107673), (229, 706202), (458, 353101), (511, 316478), (691, 234038), (1022, 158239), (1382, 117019), (1603, 100886), (3206, 50443), (4837, 33434), (9674, 16717)]