About the Number

1308991872

1308991871 ← → 1308991873

2進数表記:1001110000001011010000110000000

漢数字表記:十三億八百九十九万千八百七十二

素因数分解:

2 7 × 3 1 × 619 1 × 5507 1

素因数の和:6143
約数の個数: 64
約数和(自身を含む): 3483259200
約数和(自身を除く): 2174267328

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 619, 1238, 1857, 2476, 3714, 4952, 5507, 7428, 9904, 11014, 14856, 16521, 19808, 22028, 29712, 33042, 39616, 44056, 59424, 66084, 79232, 88112, 118848, 132168, 176224, 237696, 264336, 352448, 528672, 704896, 1057344, 2114688, 3408833, 6817666, 10226499, 13635332, 20452998, 27270664, 40905996, 54541328, 81811992, 109082656, 163623984, 218165312, 327247968, 436330624, 654495936, 1308991872]

約数ペア:
[(1, 1308991872), (2, 654495936), (3, 436330624), (4, 327247968), (6, 218165312), (8, 163623984), (12, 109082656), (16, 81811992), (24, 54541328), (32, 40905996), (48, 27270664), (64, 20452998), (96, 13635332), (128, 10226499), (192, 6817666), (384, 3408833), (619, 2114688), (1238, 1057344), (1857, 704896), (2476, 528672), (3714, 352448), (4952, 264336), (5507, 237696), (7428, 176224), (9904, 132168), (11014, 118848), (14856, 88112), (16521, 79232), (19808, 66084), (22028, 59424), (29712, 44056), (33042, 39616)]

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