81223532

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{16103}}^1$

素因数の和:16217

約数の個数: 24

約数和(自身を含む): 154662816

約数和(自身を除く): 73439284

約数列:

[1, 2, 4, 13, 26, 52, 97, 194, 388, 1261, 2522, 5044, 16103, 32206, 64412, 209339, 418678, 837356, 1561991, 3123982, 6247964, 20305883, 40611766, 81223532]

約数ペア:

[(1, 81223532), (2, 40611766), (4, 20305883), (13, 6247964), (26, 3123982), (52, 1561991), (97, 837356), (194, 418678), (388, 209339), (1261, 64412), (2522, 32206), (5044, 16103)]