256600064

素因数分解:

$2^{11}\times 7^2\times {\mathrm{2557}}^1$

素因数の和:2593

約数の個数: 72

約数和(自身を含む): 597075570

約数和(自身を除く): 340475506

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 512, 784, 896, 1024, 1568, 1792, 2048, 2557, 3136, 3584, 5114, 6272, 7168, 10228, 12544, 14336, 17899, 20456, 25088, 35798, 40912, 50176, 71596, 81824, 100352, 125293, 143192, 163648, 250586, 286384, 327296, 501172, 572768, 654592, 1002344, 1145536, 1309184, 2004688, 2291072, 2618368, 4009376, 4582144, 5236736, 8018752, 9164288, 16037504, 18328576, 32075008, 36657152, 64150016, 128300032, 256600064]

約数ペア:

[(1, 256600064), (2, 128300032), (4, 64150016), (7, 36657152), (8, 32075008), (14, 18328576), (16, 16037504), (28, 9164288), (32, 8018752), (49, 5236736), (56, 4582144), (64, 4009376), (98, 2618368), (112, 2291072), (128, 2004688), (196, 1309184), (224, 1145536), (256, 1002344), (392, 654592), (448, 572768), (512, 501172), (784, 327296), (896, 286384), (1024, 250586), (1568, 163648), (1792, 143192), (2048, 125293), (2557, 100352), (3136, 81824), (3584, 71596), (5114, 50176), (6272, 40912), (7168, 35798), (10228, 25088), (12544, 20456), (14336, 17899)]