638379216

素因数分解:

$2^4\times 3^2\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{521}}^1$

素因数の和:729

約数の個数: 120

約数和(自身を含む): 1831025664

約数和(自身を除く): 1192646448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 67, 72, 127, 134, 144, 201, 254, 268, 381, 402, 508, 521, 536, 603, 762, 804, 1016, 1042, 1072, 1143, 1206, 1524, 1563, 1608, 2032, 2084, 2286, 2412, 3048, 3126, 3216, 4168, 4572, 4689, 4824, 6096, 6252, 8336, 8509, 9144, 9378, 9648, 12504, 17018, 18288, 18756, 25008, 25527, 34036, 34907, 37512, 51054, 66167, 68072, 69814, 75024, 76581, 102108, 104721, 132334, 136144, 139628, 153162, 198501, 204216, 209442, 264668, 279256, 306324, 314163, 397002, 408432, 418884, 529336, 558512, 595503, 612648, 628326, 794004, 837768, 1058672, 1191006, 1225296, 1256652, 1588008, 1675536, 2382012, 2513304, 3176016, 4433189, 4764024, 5026608, 8866378, 9528048, 13299567, 17732756, 26599134, 35465512, 39898701, 53198268, 70931024, 79797402, 106396536, 159594804, 212793072, 319189608, 638379216]

約数ペア:

[(1, 638379216), (2, 319189608), (3, 212793072), (4, 159594804), (6, 106396536), (8, 79797402), (9, 70931024), (12, 53198268), (16, 39898701), (18, 35465512), (24, 26599134), (36, 17732756), (48, 13299567), (67, 9528048), (72, 8866378), (127, 5026608), (134, 4764024), (144, 4433189), (201, 3176016), (254, 2513304), (268, 2382012), (381, 1675536), (402, 1588008), (508, 1256652), (521, 1225296), (536, 1191006), (603, 1058672), (762, 837768), (804, 794004), (1016, 628326), (1042, 612648), (1072, 595503), (1143, 558512), (1206, 529336), (1524, 418884), (1563, 408432), (1608, 397002), (2032, 314163), (2084, 306324), (2286, 279256), (2412, 264668), (3048, 209442), (3126, 204216), (3216, 198501), (4168, 153162), (4572, 139628), (4689, 136144), (4824, 132334), (6096, 104721), (6252, 102108), (8336, 76581), (8509, 75024), (9144, 69814), (9378, 68072), (9648, 66167), (12504, 51054), (17018, 37512), (18288, 34907), (18756, 34036), (25008, 25527)]