64821408

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{39719}}^1$

素因数の和:39749

約数の個数: 48

約数和(自身を含む): 180169920

約数和(自身を除く): 115348512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 96, 102, 136, 204, 272, 408, 544, 816, 1632, 39719, 79438, 119157, 158876, 238314, 317752, 476628, 635504, 675223, 953256, 1271008, 1350446, 1906512, 2025669, 2700892, 3813024, 4051338, 5401784, 8102676, 10803568, 16205352, 21607136, 32410704, 64821408]

約数ペア:

[(1, 64821408), (2, 32410704), (3, 21607136), (4, 16205352), (6, 10803568), (8, 8102676), (12, 5401784), (16, 4051338), (17, 3813024), (24, 2700892), (32, 2025669), (34, 1906512), (48, 1350446), (51, 1271008), (68, 953256), (96, 675223), (102, 635504), (136, 476628), (204, 317752), (272, 238314), (408, 158876), (544, 119157), (816, 79438), (1632, 39719)]