128707627264

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{997}}^1\times {\mathrm{16267}}^1$

素因数の和:17311

約数の個数: 72

約数和(自身を含む): 265482307328

約数和(自身を除く): 136774680064

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 997, 1984, 1994, 3968, 3988, 7936, 7976, 15952, 16267, 30907, 31904, 32534, 61814, 63808, 65068, 123628, 127616, 130136, 247256, 255232, 260272, 494512, 504277, 520544, 989024, 1008554, 1041088, 1978048, 2017108, 2082176, 3956096, 4034216, 4164352, 7912192, 8068432, 16136864, 16218199, 32273728, 32436398, 64547456, 64872796, 129094912, 129745592, 259491184, 502764169, 518982368, 1005528338, 1037964736, 2011056676, 2075929472, 4022113352, 4151858944, 8044226704, 16088453408, 32176906816, 64353813632, 128707627264]

約数ペア:

[(1, 128707627264), (2, 64353813632), (4, 32176906816), (8, 16088453408), (16, 8044226704), (31, 4151858944), (32, 4022113352), (62, 2075929472), (64, 2011056676), (124, 1037964736), (128, 1005528338), (248, 518982368), (256, 502764169), (496, 259491184), (992, 129745592), (997, 129094912), (1984, 64872796), (1994, 64547456), (3968, 32436398), (3988, 32273728), (7936, 16218199), (7976, 16136864), (15952, 8068432), (16267, 7912192), (30907, 4164352), (31904, 4034216), (32534, 3956096), (61814, 2082176), (63808, 2017108), (65068, 1978048), (123628, 1041088), (127616, 1008554), (130136, 989024), (247256, 520544), (255232, 504277), (260272, 494512)]