1808419965

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{28031}}^1$

素因数の和:28090

約数の個数: 64

約数和(自身を含む): 3487629312

約数和(自身を除く): 1679209347

約数列:

[1, 3, 5, 11, 15, 17, 23, 33, 51, 55, 69, 85, 115, 165, 187, 253, 255, 345, 391, 561, 759, 935, 1173, 1265, 1955, 2805, 3795, 4301, 5865, 12903, 21505, 28031, 64515, 84093, 140155, 308341, 420465, 476527, 644713, 925023, 1429581, 1541705, 1934139, 2382635, 3223565, 4625115, 5241797, 7091843, 7147905, 9670695, 10960121, 15725391, 21275529, 26208985, 32880363, 35459215, 54800605, 78626955, 106377645, 120561331, 164401815, 361683993, 602806655, 1808419965]

約数ペア:

[(1, 1808419965), (3, 602806655), (5, 361683993), (11, 164401815), (15, 120561331), (17, 106377645), (23, 78626955), (33, 54800605), (51, 35459215), (55, 32880363), (69, 26208985), (85, 21275529), (115, 15725391), (165, 10960121), (187, 9670695), (253, 7147905), (255, 7091843), (345, 5241797), (391, 4625115), (561, 3223565), (759, 2382635), (935, 1934139), (1173, 1541705), (1265, 1429581), (1955, 925023), (2805, 644713), (3795, 476527), (4301, 420465), (5865, 308341), (12903, 140155), (21505, 84093), (28031, 64515)]