820135904

素因数分解:

$2^5\times 7^1\times {\mathrm{43}}^1\times {\mathrm{85147}}^1$

素因数の和:85207

約数の個数: 48

約数和(自身を含む): 1888242048

約数和(自身を除く): 1068106144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 86, 112, 172, 224, 301, 344, 602, 688, 1204, 1376, 2408, 4816, 9632, 85147, 170294, 340588, 596029, 681176, 1192058, 1362352, 2384116, 2724704, 3661321, 4768232, 7322642, 9536464, 14645284, 19072928, 25629247, 29290568, 51258494, 58581136, 102516988, 117162272, 205033976, 410067952, 820135904]

約数ペア:

[(1, 820135904), (2, 410067952), (4, 205033976), (7, 117162272), (8, 102516988), (14, 58581136), (16, 51258494), (28, 29290568), (32, 25629247), (43, 19072928), (56, 14645284), (86, 9536464), (112, 7322642), (172, 4768232), (224, 3661321), (301, 2724704), (344, 2384116), (602, 1362352), (688, 1192058), (1204, 681176), (1376, 596029), (2408, 340588), (4816, 170294), (9632, 85147)]