128391984

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{127373}}^1$

素因数の和:127394

約数の個数: 60

約数和(自身を含む): 410653776

約数和(自身を除く): 282261792

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 127373, 254746, 382119, 509492, 764238, 891611, 1018984, 1146357, 1528476, 1783222, 2037968, 2292714, 2674833, 3056952, 3566444, 4585428, 5349666, 6113904, 7132888, 8024499, 9170856, 10699332, 14265776, 16048998, 18341712, 21398664, 32097996, 42797328, 64195992, 128391984]

約数ペア:

[(1, 128391984), (2, 64195992), (3, 42797328), (4, 32097996), (6, 21398664), (7, 18341712), (8, 16048998), (9, 14265776), (12, 10699332), (14, 9170856), (16, 8024499), (18, 7132888), (21, 6113904), (24, 5349666), (28, 4585428), (36, 3566444), (42, 3056952), (48, 2674833), (56, 2292714), (63, 2037968), (72, 1783222), (84, 1528476), (112, 1146357), (126, 1018984), (144, 891611), (168, 764238), (252, 509492), (336, 382119), (504, 254746), (1008, 127373)]