128194208

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{491}}^1$

素因数の和:741

約数の個数: 48

約数和(自身を含む): 260366400

約数和(自身を除く): 132172192

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 199, 328, 398, 491, 656, 796, 982, 1312, 1592, 1964, 3184, 3928, 6368, 7856, 8159, 15712, 16318, 20131, 32636, 40262, 65272, 80524, 97709, 130544, 161048, 195418, 261088, 322096, 390836, 644192, 781672, 1563344, 3126688, 4006069, 8012138, 16024276, 32048552, 64097104, 128194208]

約数ペア:

[(1, 128194208), (2, 64097104), (4, 32048552), (8, 16024276), (16, 8012138), (32, 4006069), (41, 3126688), (82, 1563344), (164, 781672), (199, 644192), (328, 390836), (398, 322096), (491, 261088), (656, 195418), (796, 161048), (982, 130544), (1312, 97709), (1592, 80524), (1964, 65272), (3184, 40262), (3928, 32636), (6368, 20131), (7856, 16318), (8159, 15712)]