181223354

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1\times {\mathrm{397}}^1$

素因数の和:690

約数の個数: 32

約数和(自身を含む): 298146576

約数和(自身を除く): 116923222

約数列:

[1, 2, 13, 26, 97, 181, 194, 362, 397, 794, 1261, 2353, 2522, 4706, 5161, 10322, 17557, 35114, 38509, 71857, 77018, 143714, 228241, 456482, 500617, 934141, 1001234, 1868282, 6970129, 13940258, 90611677, 181223354]

約数ペア:

[(1, 181223354), (2, 90611677), (13, 13940258), (26, 6970129), (97, 1868282), (181, 1001234), (194, 934141), (362, 500617), (397, 456482), (794, 228241), (1261, 143714), (2353, 77018), (2522, 71857), (4706, 38509), (5161, 35114), (10322, 17557)]