138078464

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 288841728

約数和(自身を除く): 150763264

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 127, 128, 137, 248, 254, 256, 274, 496, 508, 548, 992, 1016, 1096, 1984, 2032, 2192, 3937, 3968, 4064, 4247, 4384, 7874, 7936, 8128, 8494, 8768, 15748, 16256, 16988, 17399, 17536, 31496, 32512, 33976, 34798, 35072, 62992, 67952, 69596, 125984, 135904, 139192, 251968, 271808, 278384, 503936, 539369, 543616, 556768, 1007872, 1078738, 1087232, 1113536, 2157476, 2227072, 4314952, 4454144, 8629904, 17259808, 34519616, 69039232, 138078464]

約数ペア:

[(1, 138078464), (2, 69039232), (4, 34519616), (8, 17259808), (16, 8629904), (31, 4454144), (32, 4314952), (62, 2227072), (64, 2157476), (124, 1113536), (127, 1087232), (128, 1078738), (137, 1007872), (248, 556768), (254, 543616), (256, 539369), (274, 503936), (496, 278384), (508, 271808), (548, 251968), (992, 139192), (1016, 135904), (1096, 125984), (1984, 69596), (2032, 67952), (2192, 62992), (3937, 35072), (3968, 34798), (4064, 33976), (4247, 32512), (4384, 31496), (7874, 17536), (7936, 17399), (8128, 16988), (8494, 16256), (8768, 15748)]