71989423

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 86365440

約数和(自身を除く): 14376017

約数列:

[1, 11, 19, 53, 67, 97, 209, 583, 737, 1007, 1067, 1273, 1843, 3551, 5141, 6499, 11077, 14003, 20273, 39061, 56551, 67469, 71489, 97679, 123481, 344447, 742159, 1074469, 1358291, 3788917, 6544493, 71989423]

約数ペア:

[(1, 71989423), (11, 6544493), (19, 3788917), (53, 1358291), (67, 1074469), (97, 742159), (209, 344447), (583, 123481), (737, 97679), (1007, 71489), (1067, 67469), (1273, 56551), (1843, 39061), (3551, 20273), (5141, 14003), (6499, 11077)]