400903904

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{9857}}^1$

素因数の和:9939

約数の個数: 48

約数和(自身を含む): 834696576

約数和(自身を除く): 433792672

約数列:

[1, 2, 4, 8, 16, 31, 32, 41, 62, 82, 124, 164, 248, 328, 496, 656, 992, 1271, 1312, 2542, 5084, 9857, 10168, 19714, 20336, 39428, 40672, 78856, 157712, 305567, 315424, 404137, 611134, 808274, 1222268, 1616548, 2444536, 3233096, 4889072, 6466192, 9778144, 12528247, 12932384, 25056494, 50112988, 100225976, 200451952, 400903904]

約数ペア:

[(1, 400903904), (2, 200451952), (4, 100225976), (8, 50112988), (16, 25056494), (31, 12932384), (32, 12528247), (41, 9778144), (62, 6466192), (82, 4889072), (124, 3233096), (164, 2444536), (248, 1616548), (328, 1222268), (496, 808274), (656, 611134), (992, 404137), (1271, 315424), (1312, 305567), (2542, 157712), (5084, 78856), (9857, 40672), (10168, 39428), (19714, 20336)]