65638640128

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{4135499}}^1$

素因数の和:4135548

約数の個数: 40

約数和(自身を含む): 135379728000

約数和(自身を除く): 69741087872

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 15872, 4135499, 8270998, 16541996, 33083992, 66167984, 128200469, 132335968, 256400938, 264671936, 512801876, 529343872, 1025603752, 1058687744, 2051207504, 2117375488, 4102415008, 8204830016, 16409660032, 32819320064, 65638640128]

約数ペア:

[(1, 65638640128), (2, 32819320064), (4, 16409660032), (8, 8204830016), (16, 4102415008), (31, 2117375488), (32, 2051207504), (62, 1058687744), (64, 1025603752), (124, 529343872), (128, 512801876), (248, 264671936), (256, 256400938), (496, 132335968), (512, 128200469), (992, 66167984), (1984, 33083992), (3968, 16541996), (7936, 8270998), (15872, 4135499)]