64643104

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{431}}^1$

素因数の和:593

約数の個数: 48

約数和(自身を含む): 131725440

約数和(自身を除く): 67082336

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 109, 172, 218, 344, 431, 436, 688, 862, 872, 1376, 1724, 1744, 3448, 3488, 4687, 6896, 9374, 13792, 18533, 18748, 37066, 37496, 46979, 74132, 74992, 93958, 148264, 149984, 187916, 296528, 375832, 593056, 751664, 1503328, 2020097, 4040194, 8080388, 16160776, 32321552, 64643104]

約数ペア:

[(1, 64643104), (2, 32321552), (4, 16160776), (8, 8080388), (16, 4040194), (32, 2020097), (43, 1503328), (86, 751664), (109, 593056), (172, 375832), (218, 296528), (344, 187916), (431, 149984), (436, 148264), (688, 93958), (862, 74992), (872, 74132), (1376, 46979), (1724, 37496), (1744, 37066), (3448, 18748), (3488, 18533), (4687, 13792), (6896, 9374)]