64879905

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 115492608

約数和(自身を除く): 50612703

約数列:

[1, 3, 5, 15, 17, 43, 51, 61, 85, 97, 129, 183, 215, 255, 291, 305, 485, 645, 731, 915, 1037, 1455, 1649, 2193, 2623, 3111, 3655, 4171, 4947, 5185, 5917, 7869, 8245, 10965, 12513, 13115, 15555, 17751, 20855, 24735, 29585, 39345, 44591, 62565, 70907, 88755, 100589, 133773, 212721, 222955, 254431, 301767, 354535, 502945, 668865, 763293, 1063605, 1272155, 1508835, 3816465, 4325327, 12975981, 21626635, 64879905]

約数ペア:

[(1, 64879905), (3, 21626635), (5, 12975981), (15, 4325327), (17, 3816465), (43, 1508835), (51, 1272155), (61, 1063605), (85, 763293), (97, 668865), (129, 502945), (183, 354535), (215, 301767), (255, 254431), (291, 222955), (305, 212721), (485, 133773), (645, 100589), (731, 88755), (915, 70907), (1037, 62565), (1455, 44591), (1649, 39345), (2193, 29585), (2623, 24735), (3111, 20855), (3655, 17751), (4171, 15555), (4947, 13115), (5185, 12513), (5917, 10965), (7869, 8245)]