39905086

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{659}}^1$

素因数の和:828

約数の個数: 32

約数和(自身を含む): 68856480

約数和(自身を除く): 28951394

約数列:

[1, 2, 13, 17, 26, 34, 137, 221, 274, 442, 659, 1318, 1781, 2329, 3562, 4658, 8567, 11203, 17134, 22406, 30277, 60554, 90283, 145639, 180566, 291278, 1173679, 1534811, 2347358, 3069622, 19952543, 39905086]

約数ペア:

[(1, 39905086), (2, 19952543), (13, 3069622), (17, 2347358), (26, 1534811), (34, 1173679), (137, 291278), (221, 180566), (274, 145639), (442, 90283), (659, 60554), (1318, 30277), (1781, 22406), (2329, 17134), (3562, 11203), (4658, 8567)]