28573805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^2$

素因数の和:273

約数の個数: 24

約数和(自身を含む): 38275272

約数和(自身を除く): 9701467

約数列:

[1, 5, 13, 37, 65, 109, 185, 481, 545, 1417, 2405, 4033, 7085, 11881, 20165, 52429, 59405, 154453, 262145, 439597, 772265, 2197985, 5714761, 28573805]

約数ペア:

[(1, 28573805), (5, 5714761), (13, 2197985), (37, 772265), (65, 439597), (109, 262145), (185, 154453), (481, 59405), (545, 52429), (1417, 20165), (2405, 11881), (4033, 7085)]