128807784

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{255571}}^1$

素因数の和:255590

約数の個数: 48

約数和(自身を含む): 398692320

約数和(自身を除く): 269884536

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 255571, 511142, 766713, 1022284, 1533426, 1788997, 2044568, 2300139, 3066852, 3577994, 4600278, 5366991, 6133704, 7155988, 9200556, 10733982, 14311976, 16100973, 18401112, 21467964, 32201946, 42935928, 64403892, 128807784]

約数ペア:

[(1, 128807784), (2, 64403892), (3, 42935928), (4, 32201946), (6, 21467964), (7, 18401112), (8, 16100973), (9, 14311976), (12, 10733982), (14, 9200556), (18, 7155988), (21, 6133704), (24, 5366991), (28, 4600278), (36, 3577994), (42, 3066852), (56, 2300139), (63, 2044568), (72, 1788997), (84, 1533426), (126, 1022284), (168, 766713), (252, 511142), (504, 255571)]