66980128

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{541}}^1$

素因数の和:677

約数の個数: 48

約数和(自身を含む): 136447416

約数和(自身を除く): 69467288

約数列:

[1, 2, 4, 8, 16, 32, 53, 73, 106, 146, 212, 292, 424, 541, 584, 848, 1082, 1168, 1696, 2164, 2336, 3869, 4328, 7738, 8656, 15476, 17312, 28673, 30952, 39493, 57346, 61904, 78986, 114692, 123808, 157972, 229384, 315944, 458768, 631888, 917536, 1263776, 2093129, 4186258, 8372516, 16745032, 33490064, 66980128]

約数ペア:

[(1, 66980128), (2, 33490064), (4, 16745032), (8, 8372516), (16, 4186258), (32, 2093129), (53, 1263776), (73, 917536), (106, 631888), (146, 458768), (212, 315944), (292, 229384), (424, 157972), (541, 123808), (584, 114692), (848, 78986), (1082, 61904), (1168, 57346), (1696, 39493), (2164, 30952), (2336, 28673), (3869, 17312), (4328, 15476), (7738, 8656)]