668804565

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18341}}^1$

素因数の和:18390

約数の個数: 64

約数和(自身を含む): 1331188992

約数和(自身を除く): 662384427

約数列:

[1, 3, 5, 11, 13, 15, 17, 33, 39, 51, 55, 65, 85, 143, 165, 187, 195, 221, 255, 429, 561, 663, 715, 935, 1105, 2145, 2431, 2805, 3315, 7293, 12155, 18341, 36465, 55023, 91705, 201751, 238433, 275115, 311797, 605253, 715299, 935391, 1008755, 1192165, 1558985, 2622763, 3026265, 3429767, 3576495, 4053361, 4676955, 7868289, 10289301, 12160083, 13113815, 17148835, 20266805, 39341445, 44586971, 51446505, 60800415, 133760913, 222934855, 668804565]

約数ペア:

[(1, 668804565), (3, 222934855), (5, 133760913), (11, 60800415), (13, 51446505), (15, 44586971), (17, 39341445), (33, 20266805), (39, 17148835), (51, 13113815), (55, 12160083), (65, 10289301), (85, 7868289), (143, 4676955), (165, 4053361), (187, 3576495), (195, 3429767), (221, 3026265), (255, 2622763), (429, 1558985), (561, 1192165), (663, 1008755), (715, 935391), (935, 715299), (1105, 605253), (2145, 311797), (2431, 275115), (2805, 238433), (3315, 201751), (7293, 91705), (12155, 55023), (18341, 36465)]