64892776

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 136397520

約数和(自身を除く): 71504744

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 61, 104, 106, 122, 193, 212, 244, 386, 424, 488, 689, 772, 793, 1378, 1544, 1586, 2509, 2756, 3172, 3233, 5018, 5512, 6344, 6466, 10036, 10229, 11773, 12932, 20072, 20458, 23546, 25864, 40916, 42029, 47092, 81832, 84058, 94184, 132977, 153049, 168116, 265954, 306098, 336232, 531908, 612196, 623969, 1063816, 1224392, 1247938, 2495876, 4991752, 8111597, 16223194, 32446388, 64892776]

約数ペア:

[(1, 64892776), (2, 32446388), (4, 16223194), (8, 8111597), (13, 4991752), (26, 2495876), (52, 1247938), (53, 1224392), (61, 1063816), (104, 623969), (106, 612196), (122, 531908), (193, 336232), (212, 306098), (244, 265954), (386, 168116), (424, 153049), (488, 132977), (689, 94184), (772, 84058), (793, 81832), (1378, 47092), (1544, 42029), (1586, 40916), (2509, 25864), (2756, 23546), (3172, 20458), (3233, 20072), (5018, 12932), (5512, 11773), (6344, 10229), (6466, 10036)]