17520438

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 40727232

約数和(自身を除く): 23206794

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 73, 78, 102, 146, 181, 219, 221, 362, 438, 442, 543, 663, 949, 1086, 1241, 1326, 1898, 2353, 2482, 2847, 3077, 3723, 4706, 5694, 6154, 7059, 7446, 9231, 13213, 14118, 16133, 18462, 26426, 32266, 39639, 40001, 48399, 79278, 80002, 96798, 120003, 171769, 224621, 240006, 343538, 449242, 515307, 673863, 1030614, 1347726, 2920073, 5840146, 8760219, 17520438]

約数ペア:

[(1, 17520438), (2, 8760219), (3, 5840146), (6, 2920073), (13, 1347726), (17, 1030614), (26, 673863), (34, 515307), (39, 449242), (51, 343538), (73, 240006), (78, 224621), (102, 171769), (146, 120003), (181, 96798), (219, 80002), (221, 79278), (362, 48399), (438, 40001), (442, 39639), (543, 32266), (663, 26426), (949, 18462), (1086, 16133), (1241, 14118), (1326, 13213), (1898, 9231), (2353, 7446), (2482, 7059), (2847, 6154), (3077, 5694), (3723, 4706)]