78817856

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1553}}^1$

素因数の和:1639

約数の個数: 56

約数和(自身を含む): 171306744

約数和(自身を除く): 92488888

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 64, 104, 122, 208, 244, 416, 488, 793, 832, 976, 1553, 1586, 1952, 3106, 3172, 3904, 6212, 6344, 12424, 12688, 20189, 24848, 25376, 40378, 49696, 50752, 80756, 94733, 99392, 161512, 189466, 323024, 378932, 646048, 757864, 1231529, 1292096, 1515728, 2463058, 3031456, 4926116, 6062912, 9852232, 19704464, 39408928, 78817856]

約数ペア:

[(1, 78817856), (2, 39408928), (4, 19704464), (8, 9852232), (13, 6062912), (16, 4926116), (26, 3031456), (32, 2463058), (52, 1515728), (61, 1292096), (64, 1231529), (104, 757864), (122, 646048), (208, 378932), (244, 323024), (416, 189466), (488, 161512), (793, 99392), (832, 94733), (976, 80756), (1553, 50752), (1586, 49696), (1952, 40378), (3106, 25376), (3172, 24848), (3904, 20189), (6212, 12688), (6344, 12424)]