128425856

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{683}}^1$

素因数の和:823

約数の個数: 64

約数和(自身を含む): 278374320

約数和(自身を除く): 149948464

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 113, 128, 208, 226, 416, 452, 683, 832, 904, 1366, 1469, 1664, 1808, 2732, 2938, 3616, 5464, 5876, 7232, 8879, 10928, 11752, 14464, 17758, 21856, 23504, 35516, 43712, 47008, 71032, 77179, 87424, 94016, 142064, 154358, 188032, 284128, 308716, 568256, 617432, 1003327, 1136512, 1234864, 2006654, 2469728, 4013308, 4939456, 8026616, 9878912, 16053232, 32106464, 64212928, 128425856]

約数ペア:

[(1, 128425856), (2, 64212928), (4, 32106464), (8, 16053232), (13, 9878912), (16, 8026616), (26, 4939456), (32, 4013308), (52, 2469728), (64, 2006654), (104, 1234864), (113, 1136512), (128, 1003327), (208, 617432), (226, 568256), (416, 308716), (452, 284128), (683, 188032), (832, 154358), (904, 142064), (1366, 94016), (1469, 87424), (1664, 77179), (1808, 71032), (2732, 47008), (2938, 43712), (3616, 35516), (5464, 23504), (5876, 21856), (7232, 17758), (8879, 14464), (10928, 11752)]