128207976

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{2521}}^1$

素因数の和:2706

約数の個数: 64

約数和(自身を含む): 347430720

約数和(自身を除く): 219222744

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 163, 312, 326, 489, 652, 978, 1304, 1956, 2119, 2521, 3912, 4238, 5042, 6357, 7563, 8476, 10084, 12714, 15126, 16952, 20168, 25428, 30252, 32773, 50856, 60504, 65546, 98319, 131092, 196638, 262184, 393276, 410923, 786552, 821846, 1232769, 1643692, 2465538, 3287384, 4931076, 5341999, 9862152, 10683998, 16025997, 21367996, 32051994, 42735992, 64103988, 128207976]

約数ペア:

[(1, 128207976), (2, 64103988), (3, 42735992), (4, 32051994), (6, 21367996), (8, 16025997), (12, 10683998), (13, 9862152), (24, 5341999), (26, 4931076), (39, 3287384), (52, 2465538), (78, 1643692), (104, 1232769), (156, 821846), (163, 786552), (312, 410923), (326, 393276), (489, 262184), (652, 196638), (978, 131092), (1304, 98319), (1956, 65546), (2119, 60504), (2521, 50856), (3912, 32773), (4238, 30252), (5042, 25428), (6357, 20168), (7563, 16952), (8476, 15126), (10084, 12714)]