256657376

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{3691}}^1$

素因数の和:3795

約数の個数: 48

約数和(自身を含む): 527527728

約数和(自身を除く): 270870352

約数列:

[1, 2, 4, 8, 16, 32, 41, 53, 82, 106, 164, 212, 328, 424, 656, 848, 1312, 1696, 2173, 3691, 4346, 7382, 8692, 14764, 17384, 29528, 34768, 59056, 69536, 118112, 151331, 195623, 302662, 391246, 605324, 782492, 1210648, 1564984, 2421296, 3129968, 4842592, 6259936, 8020543, 16041086, 32082172, 64164344, 128328688, 256657376]

約数ペア:

[(1, 256657376), (2, 128328688), (4, 64164344), (8, 32082172), (16, 16041086), (32, 8020543), (41, 6259936), (53, 4842592), (82, 3129968), (106, 2421296), (164, 1564984), (212, 1210648), (328, 782492), (424, 605324), (656, 391246), (848, 302662), (1312, 195623), (1696, 151331), (2173, 118112), (3691, 69536), (4346, 59056), (7382, 34768), (8692, 29528), (14764, 17384)]