81306176

素因数分解:

$2^6\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1871}}^1$

素因数の和:1987

約数の個数: 56

約数和(自身を含む): 186391296

約数和(自身を除く): 105085120

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 97, 112, 194, 224, 388, 448, 679, 776, 1358, 1552, 1871, 2716, 3104, 3742, 5432, 6208, 7484, 10864, 13097, 14968, 21728, 26194, 29936, 43456, 52388, 59872, 104776, 119744, 181487, 209552, 362974, 419104, 725948, 838208, 1270409, 1451896, 2540818, 2903792, 5081636, 5807584, 10163272, 11615168, 20326544, 40653088, 81306176]

約数ペア:

[(1, 81306176), (2, 40653088), (4, 20326544), (7, 11615168), (8, 10163272), (14, 5807584), (16, 5081636), (28, 2903792), (32, 2540818), (56, 1451896), (64, 1270409), (97, 838208), (112, 725948), (194, 419104), (224, 362974), (388, 209552), (448, 181487), (679, 119744), (776, 104776), (1358, 59872), (1552, 52388), (1871, 43456), (2716, 29936), (3104, 26194), (3742, 21728), (5432, 14968), (6208, 13097), (7484, 10864)]