40573478

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{389}}^1\times {\mathrm{431}}^1$

素因数の和:844

約数の個数: 24

約数和(自身を含む): 67223520

約数和(自身を除く): 26650042

約数列:

[1, 2, 11, 22, 121, 242, 389, 431, 778, 862, 4279, 4741, 8558, 9482, 47069, 52151, 94138, 104302, 167659, 335318, 1844249, 3688498, 20286739, 40573478]

約数ペア:

[(1, 40573478), (2, 20286739), (11, 3688498), (22, 1844249), (121, 335318), (242, 167659), (389, 104302), (431, 94138), (778, 52151), (862, 47069), (4279, 9482), (4741, 8558)]