31321378

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1009}}^1$

素因数の和:1122

約数の個数: 32

約数和(自身を含む): 54976320

約数和(自身を除く): 23654942

約数列:

[1, 2, 11, 17, 22, 34, 83, 166, 187, 374, 913, 1009, 1411, 1826, 2018, 2822, 11099, 15521, 17153, 22198, 31042, 34306, 83747, 167494, 188683, 377366, 921217, 1423699, 1842434, 2847398, 15660689, 31321378]

約数ペア:

[(1, 31321378), (2, 15660689), (11, 2847398), (17, 1842434), (22, 1423699), (34, 921217), (83, 377366), (166, 188683), (187, 167494), (374, 83747), (913, 34306), (1009, 31042), (1411, 22198), (1826, 17153), (2018, 15521), (2822, 11099)]