28529564

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 62818560

約数和(自身を除く): 34288996

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 47, 49, 76, 94, 98, 133, 163, 188, 196, 266, 326, 329, 532, 652, 658, 893, 931, 1141, 1316, 1786, 1862, 2282, 2303, 3097, 3572, 3724, 4564, 4606, 6194, 6251, 7661, 7987, 9212, 12388, 12502, 15322, 15974, 21679, 25004, 30644, 31948, 43358, 43757, 53627, 86716, 87514, 107254, 145559, 151753, 175028, 214508, 291118, 303506, 375389, 582236, 607012, 750778, 1018913, 1501556, 2037826, 4075652, 7132391, 14264782, 28529564]

約数ペア:

[(1, 28529564), (2, 14264782), (4, 7132391), (7, 4075652), (14, 2037826), (19, 1501556), (28, 1018913), (38, 750778), (47, 607012), (49, 582236), (76, 375389), (94, 303506), (98, 291118), (133, 214508), (163, 175028), (188, 151753), (196, 145559), (266, 107254), (326, 87514), (329, 86716), (532, 53627), (652, 43757), (658, 43358), (893, 31948), (931, 30644), (1141, 25004), (1316, 21679), (1786, 15974), (1862, 15322), (2282, 12502), (2303, 12388), (3097, 9212), (3572, 7987), (3724, 7661), (4564, 6251), (4606, 6194)]