81233308

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{1931}}^1$

素因数の和:2757

約数の個数: 24

約数和(自身を含む): 153362160

約数和(自身を除く): 72128852

約数列:

[1, 2, 4, 13, 26, 52, 809, 1618, 1931, 3236, 3862, 7724, 10517, 21034, 25103, 42068, 50206, 100412, 1562179, 3124358, 6248716, 20308327, 40616654, 81233308]

約数ペア:

[(1, 81233308), (2, 40616654), (4, 20308327), (13, 6248716), (26, 3124358), (52, 1562179), (809, 100412), (1618, 50206), (1931, 42068), (3236, 25103), (3862, 21034), (7724, 10517)]