128644048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:404

約数の個数: 80

約数和(自身を含む): 281981952

約数和(自身を除く): 153337904

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 71, 104, 124, 142, 208, 248, 281, 284, 403, 496, 562, 568, 806, 923, 1124, 1136, 1612, 1846, 2201, 2248, 3224, 3653, 3692, 4402, 4496, 6448, 7306, 7384, 8711, 8804, 14612, 14768, 17422, 17608, 19951, 28613, 29224, 34844, 35216, 39902, 57226, 58448, 69688, 79804, 113243, 114452, 139376, 159608, 226486, 228904, 259363, 319216, 452972, 457808, 518726, 618481, 905944, 1037452, 1236962, 1811888, 2074904, 2473924, 4149808, 4947848, 8040253, 9895696, 16080506, 32161012, 64322024, 128644048]

約数ペア:

[(1, 128644048), (2, 64322024), (4, 32161012), (8, 16080506), (13, 9895696), (16, 8040253), (26, 4947848), (31, 4149808), (52, 2473924), (62, 2074904), (71, 1811888), (104, 1236962), (124, 1037452), (142, 905944), (208, 618481), (248, 518726), (281, 457808), (284, 452972), (403, 319216), (496, 259363), (562, 228904), (568, 226486), (806, 159608), (923, 139376), (1124, 114452), (1136, 113243), (1612, 79804), (1846, 69688), (2201, 58448), (2248, 57226), (3224, 39902), (3653, 35216), (3692, 34844), (4402, 29224), (4496, 28613), (6448, 19951), (7306, 17608), (7384, 17422), (8711, 14768), (8804, 14612)]