91681568

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1439}}^1$

素因数の和:1641

約数の個数: 48

約数和(自身を含む): 198132480

約数和(自身を除く): 106450912

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 181, 352, 362, 724, 1439, 1448, 1991, 2878, 2896, 3982, 5756, 5792, 7964, 11512, 15829, 15928, 23024, 31658, 31856, 46048, 63316, 63712, 126632, 253264, 260459, 506528, 520918, 1041836, 2083672, 2865049, 4167344, 5730098, 8334688, 11460196, 22920392, 45840784, 91681568]

約数ペア:

[(1, 91681568), (2, 45840784), (4, 22920392), (8, 11460196), (11, 8334688), (16, 5730098), (22, 4167344), (32, 2865049), (44, 2083672), (88, 1041836), (176, 520918), (181, 506528), (352, 260459), (362, 253264), (724, 126632), (1439, 63712), (1448, 63316), (1991, 46048), (2878, 31856), (2896, 31658), (3982, 23024), (5756, 15928), (5792, 15829), (7964, 11512)]