81036418

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:594

約数の個数: 32

約数和(自身を含む): 130636800

約数和(自身を除く): 49600382

約数列:

[1, 2, 31, 41, 62, 71, 82, 142, 449, 898, 1271, 2201, 2542, 2911, 4402, 5822, 13919, 18409, 27838, 31879, 36818, 63758, 90241, 180482, 570679, 988249, 1141358, 1307039, 1976498, 2614078, 40518209, 81036418]

約数ペア:

[(1, 81036418), (2, 40518209), (31, 2614078), (41, 1976498), (62, 1307039), (71, 1141358), (82, 988249), (142, 570679), (449, 180482), (898, 90241), (1271, 63758), (2201, 36818), (2542, 31879), (2911, 27838), (4402, 18409), (5822, 13919)]