161653982

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 300810240

約数和(自身を除く): 139156258

約数列:

[1, 2, 7, 14, 23, 46, 59, 67, 118, 127, 134, 161, 254, 322, 413, 469, 826, 889, 938, 1357, 1541, 1778, 2714, 2921, 3082, 3953, 5842, 7493, 7906, 8509, 9499, 10787, 14986, 17018, 18998, 20447, 21574, 27671, 40894, 52451, 55342, 59563, 90919, 104902, 119126, 172339, 181838, 195707, 344678, 391414, 502031, 636433, 1004062, 1206373, 1272866, 1369949, 2412746, 2739898, 3514217, 7028434, 11546713, 23093426, 80826991, 161653982]

約数ペア:

[(1, 161653982), (2, 80826991), (7, 23093426), (14, 11546713), (23, 7028434), (46, 3514217), (59, 2739898), (67, 2412746), (118, 1369949), (127, 1272866), (134, 1206373), (161, 1004062), (254, 636433), (322, 502031), (413, 391414), (469, 344678), (826, 195707), (889, 181838), (938, 172339), (1357, 119126), (1541, 104902), (1778, 90919), (2714, 59563), (2921, 55342), (3082, 52451), (3953, 40894), (5842, 27671), (7493, 21574), (7906, 20447), (8509, 18998), (9499, 17018), (10787, 14986)]