68219728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{643}}^1$

素因数の和:1019

約数の個数: 40

約数和(自身を含む): 139748000

約数和(自身を除く): 71528272

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 349, 643, 698, 1286, 1396, 2572, 2792, 5144, 5584, 6631, 10288, 12217, 13262, 24434, 26524, 48868, 53048, 97736, 106096, 195472, 224407, 448814, 897628, 1795256, 3590512, 4263733, 8527466, 17054932, 34109864, 68219728]

約数ペア:

[(1, 68219728), (2, 34109864), (4, 17054932), (8, 8527466), (16, 4263733), (19, 3590512), (38, 1795256), (76, 897628), (152, 448814), (304, 224407), (349, 195472), (643, 106096), (698, 97736), (1286, 53048), (1396, 48868), (2572, 26524), (2792, 24434), (5144, 13262), (5584, 12217), (6631, 10288)]