639473856

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{977}}^1$

素因数の和:1486

約数の個数: 112

約数和(自身を含む): 1939600896

約数和(自身を除く): 1300127040

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 168, 192, 224, 336, 448, 487, 672, 974, 977, 1344, 1461, 1948, 1954, 2922, 2931, 3409, 3896, 3908, 5844, 5862, 6818, 6839, 7792, 7816, 10227, 11688, 11724, 13636, 13678, 15584, 15632, 20454, 20517, 23376, 23448, 27272, 27356, 31168, 31264, 40908, 41034, 46752, 46896, 54544, 54712, 62528, 81816, 82068, 93504, 93792, 109088, 109424, 163632, 164136, 187584, 218176, 218848, 327264, 328272, 437696, 475799, 654528, 656544, 951598, 1313088, 1427397, 1903196, 2854794, 3330593, 3806392, 5709588, 6661186, 7612784, 9991779, 11419176, 13322372, 15225568, 19983558, 22838352, 26644744, 30451136, 39967116, 45676704, 53289488, 79934232, 91353408, 106578976, 159868464, 213157952, 319736928, 639473856]

約数ペア:

[(1, 639473856), (2, 319736928), (3, 213157952), (4, 159868464), (6, 106578976), (7, 91353408), (8, 79934232), (12, 53289488), (14, 45676704), (16, 39967116), (21, 30451136), (24, 26644744), (28, 22838352), (32, 19983558), (42, 15225568), (48, 13322372), (56, 11419176), (64, 9991779), (84, 7612784), (96, 6661186), (112, 5709588), (168, 3806392), (192, 3330593), (224, 2854794), (336, 1903196), (448, 1427397), (487, 1313088), (672, 951598), (974, 656544), (977, 654528), (1344, 475799), (1461, 437696), (1948, 328272), (1954, 327264), (2922, 218848), (2931, 218176), (3409, 187584), (3896, 164136), (3908, 163632), (5844, 109424), (5862, 109088), (6818, 93792), (6839, 93504), (7792, 82068), (7816, 81816), (10227, 62528), (11688, 54712), (11724, 54544), (13636, 46896), (13678, 46752), (15584, 41034), (15632, 40908), (20454, 31264), (20517, 31168), (23376, 27356), (23448, 27272)]